128783270

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23893}}^1$

素因数の和:23925

約数の個数: 48

約数和(自身を含む): 294182928

約数和(自身を除く): 165399658

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 49, 55, 70, 77, 98, 110, 154, 245, 385, 490, 539, 770, 1078, 2695, 5390, 23893, 47786, 119465, 167251, 238930, 262823, 334502, 525646, 836255, 1170757, 1314115, 1672510, 1839761, 2341514, 2628230, 3679522, 5853785, 9198805, 11707570, 12878327, 18397610, 25756654, 64391635, 128783270]

約数ペア:

[(1, 128783270), (2, 64391635), (5, 25756654), (7, 18397610), (10, 12878327), (11, 11707570), (14, 9198805), (22, 5853785), (35, 3679522), (49, 2628230), (55, 2341514), (70, 1839761), (77, 1672510), (98, 1314115), (110, 1170757), (154, 836255), (245, 525646), (385, 334502), (490, 262823), (539, 238930), (770, 167251), (1078, 119465), (2695, 47786), (5390, 23893)]