129320920

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{1481}}^1$

素因数の和:1588

約数の個数: 64

約数和(自身を含む): 304106400

約数和(自身を除く): 174785480

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 59, 74, 118, 148, 185, 236, 295, 296, 370, 472, 590, 740, 1180, 1480, 1481, 2183, 2360, 2962, 4366, 5924, 7405, 8732, 10915, 11848, 14810, 17464, 21830, 29620, 43660, 54797, 59240, 87320, 87379, 109594, 174758, 219188, 273985, 349516, 436895, 438376, 547970, 699032, 873790, 1095940, 1747580, 2191880, 3233023, 3495160, 6466046, 12932092, 16165115, 25864184, 32330230, 64660460, 129320920]

約数ペア:

[(1, 129320920), (2, 64660460), (4, 32330230), (5, 25864184), (8, 16165115), (10, 12932092), (20, 6466046), (37, 3495160), (40, 3233023), (59, 2191880), (74, 1747580), (118, 1095940), (148, 873790), (185, 699032), (236, 547970), (295, 438376), (296, 436895), (370, 349516), (472, 273985), (590, 219188), (740, 174758), (1180, 109594), (1480, 87379), (1481, 87320), (2183, 59240), (2360, 54797), (2962, 43660), (4366, 29620), (5924, 21830), (7405, 17464), (8732, 14810), (10915, 11848)]