201930390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{31601}}^1$

素因数の和:31685

約数の個数: 48

約数和(自身を含む): 532430496

約数和(自身を除く): 330500106

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 71, 90, 142, 213, 355, 426, 639, 710, 1065, 1278, 2130, 3195, 6390, 31601, 63202, 94803, 158005, 189606, 284409, 316010, 474015, 568818, 948030, 1422045, 2243671, 2844090, 4487342, 6731013, 11218355, 13462026, 20193039, 22436710, 33655065, 40386078, 67310130, 100965195, 201930390]

約数ペア:

[(1, 201930390), (2, 100965195), (3, 67310130), (5, 40386078), (6, 33655065), (9, 22436710), (10, 20193039), (15, 13462026), (18, 11218355), (30, 6731013), (45, 4487342), (71, 2844090), (90, 2243671), (142, 1422045), (213, 948030), (355, 568818), (426, 474015), (639, 316010), (710, 284409), (1065, 189606), (1278, 158005), (2130, 94803), (3195, 63202), (6390, 31601)]