37661240

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:320

約数の個数: 64

約数和(自身を含む): 87480000

約数和(自身を除く): 49818760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 89, 142, 149, 178, 284, 298, 355, 356, 445, 568, 596, 710, 712, 745, 890, 1192, 1420, 1490, 1780, 2840, 2980, 3560, 5960, 6319, 10579, 12638, 13261, 21158, 25276, 26522, 31595, 42316, 50552, 52895, 53044, 63190, 66305, 84632, 105790, 106088, 126380, 132610, 211580, 252760, 265220, 423160, 530440, 941531, 1883062, 3766124, 4707655, 7532248, 9415310, 18830620, 37661240]

約数ペア:

[(1, 37661240), (2, 18830620), (4, 9415310), (5, 7532248), (8, 4707655), (10, 3766124), (20, 1883062), (40, 941531), (71, 530440), (89, 423160), (142, 265220), (149, 252760), (178, 211580), (284, 132610), (298, 126380), (355, 106088), (356, 105790), (445, 84632), (568, 66305), (596, 63190), (710, 53044), (712, 52895), (745, 50552), (890, 42316), (1192, 31595), (1420, 26522), (1490, 25276), (1780, 21158), (2840, 13261), (2980, 12638), (3560, 10579), (5960, 6319)]