8791391660

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{3943}}^1$

素因数の和:4143

約数の個数: 96

約数和(自身を含む): 19941368832

約数和(自身を除く): 11149977172

約数列:

[1, 2, 4, 5, 10, 20, 23, 37, 46, 74, 92, 115, 131, 148, 185, 230, 262, 370, 460, 524, 655, 740, 851, 1310, 1702, 2620, 3013, 3404, 3943, 4255, 4847, 6026, 7886, 8510, 9694, 12052, 15065, 15772, 17020, 19388, 19715, 24235, 30130, 39430, 48470, 60260, 78860, 90689, 96940, 111481, 145891, 181378, 222962, 291782, 362756, 445924, 453445, 516533, 557405, 583564, 729455, 906890, 1033066, 1114810, 1458910, 1813780, 2066132, 2229620, 2582665, 2917820, 3355493, 5165330, 6710986, 10330660, 11880259, 13421972, 16777465, 19111721, 23760518, 33554930, 38223442, 47521036, 59401295, 67109860, 76446884, 95558605, 118802590, 191117210, 237605180, 382234420, 439569583, 879139166, 1758278332, 2197847915, 4395695830, 8791391660]

約数ペア:

[(1, 8791391660), (2, 4395695830), (4, 2197847915), (5, 1758278332), (10, 879139166), (20, 439569583), (23, 382234420), (37, 237605180), (46, 191117210), (74, 118802590), (92, 95558605), (115, 76446884), (131, 67109860), (148, 59401295), (185, 47521036), (230, 38223442), (262, 33554930), (370, 23760518), (460, 19111721), (524, 16777465), (655, 13421972), (740, 11880259), (851, 10330660), (1310, 6710986), (1702, 5165330), (2620, 3355493), (3013, 2917820), (3404, 2582665), (3943, 2229620), (4255, 2066132), (4847, 1813780), (6026, 1458910), (7886, 1114810), (8510, 1033066), (9694, 906890), (12052, 729455), (15065, 583564), (15772, 557405), (17020, 516533), (19388, 453445), (19715, 445924), (24235, 362756), (30130, 291782), (39430, 222962), (48470, 181378), (60260, 145891), (78860, 111481), (90689, 96940)]