8919170

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:219

約数の個数: 64

約数和(自身を含む): 19111680

約数和(自身を除く): 10192510

約数列:

[1, 2, 5, 10, 13, 19, 23, 26, 38, 46, 65, 95, 115, 130, 157, 190, 230, 247, 299, 314, 437, 494, 598, 785, 874, 1235, 1495, 1570, 2041, 2185, 2470, 2983, 2990, 3611, 4082, 4370, 5681, 5966, 7222, 10205, 11362, 14915, 18055, 20410, 28405, 29830, 36110, 38779, 46943, 56810, 68609, 77558, 93886, 137218, 193895, 234715, 343045, 387790, 469430, 686090, 891917, 1783834, 4459585, 8919170]

約数ペア:

[(1, 8919170), (2, 4459585), (5, 1783834), (10, 891917), (13, 686090), (19, 469430), (23, 387790), (26, 343045), (38, 234715), (46, 193895), (65, 137218), (95, 93886), (115, 77558), (130, 68609), (157, 56810), (190, 46943), (230, 38779), (247, 36110), (299, 29830), (314, 28405), (437, 20410), (494, 18055), (598, 14915), (785, 11362), (874, 10205), (1235, 7222), (1495, 5966), (1570, 5681), (2041, 4370), (2185, 4082), (2470, 3611), (2983, 2990)]