79005990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{19801}}^1$

素因数の和:19837

約数の個数: 64

約数和(自身を含む): 228119040

約数和(自身を除く): 149113050

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 57, 70, 95, 105, 114, 133, 190, 210, 266, 285, 399, 570, 665, 798, 1330, 1995, 3990, 19801, 39602, 59403, 99005, 118806, 138607, 198010, 277214, 297015, 376219, 415821, 594030, 693035, 752438, 831642, 1128657, 1386070, 1881095, 2079105, 2257314, 2633533, 3762190, 4158210, 5267066, 5643285, 7900599, 11286570, 13167665, 15801198, 26335330, 39502995, 79005990]

約数ペア:

[(1, 79005990), (2, 39502995), (3, 26335330), (5, 15801198), (6, 13167665), (7, 11286570), (10, 7900599), (14, 5643285), (15, 5267066), (19, 4158210), (21, 3762190), (30, 2633533), (35, 2257314), (38, 2079105), (42, 1881095), (57, 1386070), (70, 1128657), (95, 831642), (105, 752438), (114, 693035), (133, 594030), (190, 415821), (210, 376219), (266, 297015), (285, 277214), (399, 198010), (570, 138607), (665, 118806), (798, 99005), (1330, 59403), (1995, 39602), (3990, 19801)]