491840700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:241

約数の個数: 216

約数和(自身を含む): 1572555600

約数和(自身を除く): 1080714900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 89, 100, 109, 130, 150, 156, 169, 178, 195, 218, 260, 267, 300, 325, 327, 338, 356, 390, 436, 445, 507, 534, 545, 650, 654, 676, 780, 845, 890, 975, 1014, 1068, 1090, 1157, 1300, 1308, 1335, 1417, 1635, 1690, 1780, 1950, 2028, 2180, 2225, 2314, 2535, 2670, 2725, 2834, 3270, 3380, 3471, 3900, 4225, 4251, 4450, 4628, 5070, 5340, 5450, 5668, 5785, 6540, 6675, 6942, 7085, 8175, 8450, 8502, 8900, 9701, 10140, 10900, 11570, 12675, 13350, 13884, 14170, 15041, 16350, 16900, 17004, 17355, 18421, 19402, 21255, 23140, 25350, 26700, 28340, 28925, 29103, 30082, 32700, 34710, 35425, 36842, 38804, 42510, 45123, 48505, 50700, 55263, 57850, 58206, 60164, 69420, 70850, 73684, 75205, 85020, 86775, 90246, 92105, 97010, 106275, 110526, 115700, 116412, 126113, 141700, 145515, 150410, 173550, 180492, 184210, 194020, 212550, 221052, 225615, 242525, 252226, 276315, 291030, 300820, 347100, 368420, 376025, 378339, 425100, 451230, 460525, 485050, 504452, 552630, 582060, 630565, 727575, 752050, 756678, 902460, 921050, 970100, 1105260, 1128075, 1261130, 1381575, 1455150, 1504100, 1513356, 1639469, 1842100, 1891695, 2256150, 2522260, 2763150, 2910300, 3152825, 3278938, 3783390, 4512300, 4918407, 5526300, 6305650, 6557876, 7566780, 8197345, 9458475, 9836814, 12611300, 16394690, 18916950, 19673628, 24592035, 32789380, 37833900, 40986725, 49184070, 81973450, 98368140, 122960175, 163946900, 245920350, 491840700]

約数ペア:

[(1, 491840700), (2, 245920350), (3, 163946900), (4, 122960175), (5, 98368140), (6, 81973450), (10, 49184070), (12, 40986725), (13, 37833900), (15, 32789380), (20, 24592035), (25, 19673628), (26, 18916950), (30, 16394690), (39, 12611300), (50, 9836814), (52, 9458475), (60, 8197345), (65, 7566780), (75, 6557876), (78, 6305650), (89, 5526300), (100, 4918407), (109, 4512300), (130, 3783390), (150, 3278938), (156, 3152825), (169, 2910300), (178, 2763150), (195, 2522260), (218, 2256150), (260, 1891695), (267, 1842100), (300, 1639469), (325, 1513356), (327, 1504100), (338, 1455150), (356, 1381575), (390, 1261130), (436, 1128075), (445, 1105260), (507, 970100), (534, 921050), (545, 902460), (650, 756678), (654, 752050), (676, 727575), (780, 630565), (845, 582060), (890, 552630), (975, 504452), (1014, 485050), (1068, 460525), (1090, 451230), (1157, 425100), (1300, 378339), (1308, 376025), (1335, 368420), (1417, 347100), (1635, 300820), (1690, 291030), (1780, 276315), (1950, 252226), (2028, 242525), (2180, 225615), (2225, 221052), (2314, 212550), (2535, 194020), (2670, 184210), (2725, 180492), (2834, 173550), (3270, 150410), (3380, 145515), (3471, 141700), (3900, 126113), (4225, 116412), (4251, 115700), (4450, 110526), (4628, 106275), (5070, 97010), (5340, 92105), (5450, 90246), (5668, 86775), (5785, 85020), (6540, 75205), (6675, 73684), (6942, 70850), (7085, 69420), (8175, 60164), (8450, 58206), (8502, 57850), (8900, 55263), (9701, 50700), (10140, 48505), (10900, 45123), (11570, 42510), (12675, 38804), (13350, 36842), (13884, 35425), (14170, 34710), (15041, 32700), (16350, 30082), (16900, 29103), (17004, 28925), (17355, 28340), (18421, 26700), (19402, 25350), (21255, 23140)]