128575750

素因数分解:

$2^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{379}}^1$

素因数の和:478

約数の個数: 64

約数和(自身を含む): 256089600

約数和(自身を除く): 127513850

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 59, 115, 118, 125, 230, 250, 295, 379, 575, 590, 758, 1150, 1357, 1475, 1895, 2714, 2875, 2950, 3790, 5750, 6785, 7375, 8717, 9475, 13570, 14750, 17434, 18950, 22361, 33925, 43585, 44722, 47375, 67850, 87170, 94750, 111805, 169625, 217925, 223610, 339250, 435850, 514303, 559025, 1028606, 1089625, 1118050, 2179250, 2571515, 2795125, 5143030, 5590250, 12857575, 25715150, 64287875, 128575750]

約数ペア:

[(1, 128575750), (2, 64287875), (5, 25715150), (10, 12857575), (23, 5590250), (25, 5143030), (46, 2795125), (50, 2571515), (59, 2179250), (115, 1118050), (118, 1089625), (125, 1028606), (230, 559025), (250, 514303), (295, 435850), (379, 339250), (575, 223610), (590, 217925), (758, 169625), (1150, 111805), (1357, 94750), (1475, 87170), (1895, 67850), (2714, 47375), (2875, 44722), (2950, 43585), (3790, 33925), (5750, 22361), (6785, 18950), (7375, 17434), (8717, 14750), (9475, 13570)]