290774940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{173}}^1\times {\mathrm{257}}^1$

素因数の和:551

約数の個数: 96

約数和(自身を含む): 829604160

約数和(自身を除く): 538829220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 109, 173, 218, 257, 327, 346, 436, 514, 519, 545, 654, 692, 771, 865, 1028, 1038, 1090, 1285, 1308, 1542, 1635, 1730, 2076, 2180, 2570, 2595, 3084, 3270, 3460, 3855, 5140, 5190, 6540, 7710, 10380, 15420, 18857, 28013, 37714, 44461, 56026, 56571, 75428, 84039, 88922, 94285, 112052, 113142, 133383, 140065, 168078, 177844, 188570, 222305, 226284, 266766, 280130, 282855, 336156, 377140, 420195, 444610, 533532, 560260, 565710, 666915, 840390, 889220, 1131420, 1333830, 1680780, 2667660, 4846249, 9692498, 14538747, 19384996, 24231245, 29077494, 48462490, 58154988, 72693735, 96924980, 145387470, 290774940]

約数ペア:

[(1, 290774940), (2, 145387470), (3, 96924980), (4, 72693735), (5, 58154988), (6, 48462490), (10, 29077494), (12, 24231245), (15, 19384996), (20, 14538747), (30, 9692498), (60, 4846249), (109, 2667660), (173, 1680780), (218, 1333830), (257, 1131420), (327, 889220), (346, 840390), (436, 666915), (514, 565710), (519, 560260), (545, 533532), (654, 444610), (692, 420195), (771, 377140), (865, 336156), (1028, 282855), (1038, 280130), (1090, 266766), (1285, 226284), (1308, 222305), (1542, 188570), (1635, 177844), (1730, 168078), (2076, 140065), (2180, 133383), (2570, 113142), (2595, 112052), (3084, 94285), (3270, 88922), (3460, 84039), (3855, 75428), (5140, 56571), (5190, 56026), (6540, 44461), (7710, 37714), (10380, 28013), (15420, 18857)]