494621680

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{229}}^1$

素因数の和:304

約数の個数: 240

約数和(自身を含む): 1463076000

約数和(自身を除く): 968454320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 29, 35, 38, 40, 49, 56, 58, 70, 76, 80, 95, 98, 112, 116, 133, 140, 145, 152, 190, 196, 203, 229, 232, 245, 266, 280, 290, 304, 380, 392, 406, 458, 464, 490, 532, 551, 560, 580, 665, 760, 784, 812, 916, 931, 980, 1015, 1064, 1102, 1145, 1160, 1330, 1421, 1520, 1603, 1624, 1832, 1862, 1960, 2030, 2128, 2204, 2290, 2320, 2660, 2755, 2842, 3206, 3248, 3664, 3724, 3857, 3920, 4060, 4351, 4408, 4580, 4655, 5320, 5510, 5684, 6412, 6641, 7105, 7448, 7714, 8015, 8120, 8702, 8816, 9160, 9310, 10640, 11020, 11221, 11368, 12824, 13282, 14210, 14896, 15428, 16030, 16240, 17404, 18320, 18620, 19285, 21755, 22040, 22442, 22736, 25648, 26564, 26999, 28420, 30457, 30856, 32060, 33205, 34808, 37240, 38570, 43510, 44080, 44884, 46487, 53128, 53998, 56105, 56840, 60914, 61712, 64120, 66410, 69616, 74480, 77140, 87020, 89768, 92974, 106256, 107996, 112210, 113680, 121828, 126179, 128240, 132820, 134995, 152285, 154280, 174040, 179536, 185948, 213199, 215992, 224420, 232435, 243656, 252358, 265640, 269990, 304570, 308560, 325409, 348080, 371896, 426398, 431984, 448840, 464870, 487312, 504716, 531280, 539980, 609140, 630895, 650818, 743792, 852796, 883253, 897680, 929740, 1009432, 1065995, 1079960, 1218280, 1261790, 1301636, 1627045, 1705592, 1766506, 1859480, 2018864, 2131990, 2159920, 2436560, 2523580, 2603272, 3254090, 3411184, 3533012, 3718960, 4263980, 4416265, 5047160, 5206544, 6182771, 6508180, 7066024, 8527960, 8832530, 10094320, 12365542, 13016360, 14132048, 17055920, 17665060, 24731084, 26032720, 30913855, 35330120, 49462168, 61827710, 70660240, 98924336, 123655420, 247310840, 494621680]

約数ペア:

[(1, 494621680), (2, 247310840), (4, 123655420), (5, 98924336), (7, 70660240), (8, 61827710), (10, 49462168), (14, 35330120), (16, 30913855), (19, 26032720), (20, 24731084), (28, 17665060), (29, 17055920), (35, 14132048), (38, 13016360), (40, 12365542), (49, 10094320), (56, 8832530), (58, 8527960), (70, 7066024), (76, 6508180), (80, 6182771), (95, 5206544), (98, 5047160), (112, 4416265), (116, 4263980), (133, 3718960), (140, 3533012), (145, 3411184), (152, 3254090), (190, 2603272), (196, 2523580), (203, 2436560), (229, 2159920), (232, 2131990), (245, 2018864), (266, 1859480), (280, 1766506), (290, 1705592), (304, 1627045), (380, 1301636), (392, 1261790), (406, 1218280), (458, 1079960), (464, 1065995), (490, 1009432), (532, 929740), (551, 897680), (560, 883253), (580, 852796), (665, 743792), (760, 650818), (784, 630895), (812, 609140), (916, 539980), (931, 531280), (980, 504716), (1015, 487312), (1064, 464870), (1102, 448840), (1145, 431984), (1160, 426398), (1330, 371896), (1421, 348080), (1520, 325409), (1603, 308560), (1624, 304570), (1832, 269990), (1862, 265640), (1960, 252358), (2030, 243656), (2128, 232435), (2204, 224420), (2290, 215992), (2320, 213199), (2660, 185948), (2755, 179536), (2842, 174040), (3206, 154280), (3248, 152285), (3664, 134995), (3724, 132820), (3857, 128240), (3920, 126179), (4060, 121828), (4351, 113680), (4408, 112210), (4580, 107996), (4655, 106256), (5320, 92974), (5510, 89768), (5684, 87020), (6412, 77140), (6641, 74480), (7105, 69616), (7448, 66410), (7714, 64120), (8015, 61712), (8120, 60914), (8702, 56840), (8816, 56105), (9160, 53998), (9310, 53128), (10640, 46487), (11020, 44884), (11221, 44080), (11368, 43510), (12824, 38570), (13282, 37240), (14210, 34808), (14896, 33205), (15428, 32060), (16030, 30856), (16240, 30457), (17404, 28420), (18320, 26999), (18620, 26564), (19285, 25648), (21755, 22736), (22040, 22442)]