470539940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{431}}^1$

素因数の和:502

約数の個数: 144

約数和(自身を含む): 1195326720

約数和(自身を除く): 724786780

約数列:

[1, 2, 4, 5, 10, 13, 17, 19, 20, 26, 34, 38, 52, 65, 68, 76, 85, 95, 130, 169, 170, 190, 221, 247, 260, 323, 338, 340, 380, 431, 442, 494, 646, 676, 845, 862, 884, 988, 1105, 1235, 1292, 1615, 1690, 1724, 2155, 2210, 2470, 2873, 3211, 3230, 3380, 4199, 4310, 4420, 4940, 5603, 5746, 6422, 6460, 7327, 8189, 8398, 8620, 11206, 11492, 12844, 14365, 14654, 16055, 16378, 16796, 20995, 22412, 28015, 28730, 29308, 32110, 32756, 36635, 40945, 41990, 54587, 56030, 57460, 64220, 72839, 73270, 81890, 83980, 95251, 106457, 109174, 112060, 139213, 145678, 146540, 163780, 190502, 212914, 218348, 272935, 278426, 291356, 364195, 381004, 425828, 476255, 532285, 545870, 556852, 696065, 728390, 952510, 1064570, 1091740, 1238263, 1383941, 1392130, 1456780, 1809769, 1905020, 2129140, 2476526, 2767882, 2784260, 3619538, 4953052, 5535764, 6191315, 6919705, 7239076, 9048845, 12382630, 13839410, 18097690, 23526997, 24765260, 27678820, 36195380, 47053994, 94107988, 117634985, 235269970, 470539940]

約数ペア:

[(1, 470539940), (2, 235269970), (4, 117634985), (5, 94107988), (10, 47053994), (13, 36195380), (17, 27678820), (19, 24765260), (20, 23526997), (26, 18097690), (34, 13839410), (38, 12382630), (52, 9048845), (65, 7239076), (68, 6919705), (76, 6191315), (85, 5535764), (95, 4953052), (130, 3619538), (169, 2784260), (170, 2767882), (190, 2476526), (221, 2129140), (247, 1905020), (260, 1809769), (323, 1456780), (338, 1392130), (340, 1383941), (380, 1238263), (431, 1091740), (442, 1064570), (494, 952510), (646, 728390), (676, 696065), (845, 556852), (862, 545870), (884, 532285), (988, 476255), (1105, 425828), (1235, 381004), (1292, 364195), (1615, 291356), (1690, 278426), (1724, 272935), (2155, 218348), (2210, 212914), (2470, 190502), (2873, 163780), (3211, 146540), (3230, 145678), (3380, 139213), (4199, 112060), (4310, 109174), (4420, 106457), (4940, 95251), (5603, 83980), (5746, 81890), (6422, 73270), (6460, 72839), (7327, 64220), (8189, 57460), (8398, 56030), (8620, 54587), (11206, 41990), (11492, 40945), (12844, 36635), (14365, 32756), (14654, 32110), (16055, 29308), (16378, 28730), (16796, 28015), (20995, 22412)]