491305360

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{311}}^1$

素因数の和:382

約数の個数: 240

約数和(自身を含む): 1481905152

約数和(自身を除く): 990599792

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 31, 35, 40, 49, 52, 56, 62, 65, 70, 80, 91, 98, 104, 112, 124, 130, 140, 155, 182, 196, 208, 217, 245, 248, 260, 280, 310, 311, 364, 392, 403, 434, 455, 490, 496, 520, 560, 620, 622, 637, 728, 784, 806, 868, 910, 980, 1040, 1085, 1240, 1244, 1274, 1456, 1519, 1555, 1612, 1736, 1820, 1960, 2015, 2170, 2177, 2480, 2488, 2548, 2821, 3038, 3110, 3185, 3224, 3472, 3640, 3920, 4030, 4043, 4340, 4354, 4976, 5096, 5642, 6076, 6220, 6370, 6448, 7280, 7595, 8060, 8086, 8680, 8708, 9641, 10192, 10885, 11284, 12152, 12440, 12740, 14105, 15190, 15239, 16120, 16172, 17360, 17416, 19282, 19747, 20215, 21770, 22568, 24304, 24880, 25480, 28210, 28301, 30380, 30478, 32240, 32344, 34832, 38564, 39494, 40430, 43540, 45136, 48205, 50960, 56420, 56602, 60760, 60956, 64688, 67487, 76195, 77128, 78988, 80860, 87080, 96410, 98735, 112840, 113204, 121520, 121912, 125333, 134974, 141505, 152390, 154256, 157976, 161720, 174160, 192820, 197470, 198107, 225680, 226408, 243824, 250666, 269948, 283010, 304780, 315952, 323440, 337435, 385640, 394940, 396214, 452816, 472409, 501332, 539896, 566020, 609560, 626665, 674870, 771280, 789880, 792428, 877331, 944818, 990535, 1002664, 1079792, 1132040, 1219120, 1253330, 1349740, 1579760, 1584856, 1754662, 1889636, 1981070, 2005328, 2264080, 2362045, 2506660, 2699480, 3169712, 3509324, 3779272, 3962140, 4386655, 4724090, 5013320, 5398960, 6141317, 7018648, 7558544, 7924280, 8773310, 9448180, 10026640, 12282634, 14037296, 15848560, 17546620, 18896360, 24565268, 30706585, 35093240, 37792720, 49130536, 61413170, 70186480, 98261072, 122826340, 245652680, 491305360]

約数ペア:

[(1, 491305360), (2, 245652680), (4, 122826340), (5, 98261072), (7, 70186480), (8, 61413170), (10, 49130536), (13, 37792720), (14, 35093240), (16, 30706585), (20, 24565268), (26, 18896360), (28, 17546620), (31, 15848560), (35, 14037296), (40, 12282634), (49, 10026640), (52, 9448180), (56, 8773310), (62, 7924280), (65, 7558544), (70, 7018648), (80, 6141317), (91, 5398960), (98, 5013320), (104, 4724090), (112, 4386655), (124, 3962140), (130, 3779272), (140, 3509324), (155, 3169712), (182, 2699480), (196, 2506660), (208, 2362045), (217, 2264080), (245, 2005328), (248, 1981070), (260, 1889636), (280, 1754662), (310, 1584856), (311, 1579760), (364, 1349740), (392, 1253330), (403, 1219120), (434, 1132040), (455, 1079792), (490, 1002664), (496, 990535), (520, 944818), (560, 877331), (620, 792428), (622, 789880), (637, 771280), (728, 674870), (784, 626665), (806, 609560), (868, 566020), (910, 539896), (980, 501332), (1040, 472409), (1085, 452816), (1240, 396214), (1244, 394940), (1274, 385640), (1456, 337435), (1519, 323440), (1555, 315952), (1612, 304780), (1736, 283010), (1820, 269948), (1960, 250666), (2015, 243824), (2170, 226408), (2177, 225680), (2480, 198107), (2488, 197470), (2548, 192820), (2821, 174160), (3038, 161720), (3110, 157976), (3185, 154256), (3224, 152390), (3472, 141505), (3640, 134974), (3920, 125333), (4030, 121912), (4043, 121520), (4340, 113204), (4354, 112840), (4976, 98735), (5096, 96410), (5642, 87080), (6076, 80860), (6220, 78988), (6370, 77128), (6448, 76195), (7280, 67487), (7595, 64688), (8060, 60956), (8086, 60760), (8680, 56602), (8708, 56420), (9641, 50960), (10192, 48205), (10885, 45136), (11284, 43540), (12152, 40430), (12440, 39494), (12740, 38564), (14105, 34832), (15190, 32344), (15239, 32240), (16120, 30478), (16172, 30380), (17360, 28301), (17416, 28210), (19282, 25480), (19747, 24880), (20215, 24304), (21770, 22568)]