1999462270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{252139}}^1$

素因数の和:252220

約数の個数: 32

約数和(自身を含む): 3939435360

約数和(自身を除く): 1939973090

約数列:

[1, 2, 5, 10, 13, 26, 61, 65, 122, 130, 305, 610, 793, 1586, 3965, 7930, 252139, 504278, 1260695, 2521390, 3277807, 6555614, 15380479, 16389035, 30760958, 32778070, 76902395, 153804790, 199946227, 399892454, 999731135, 1999462270]

約数ペア:

[(1, 1999462270), (2, 999731135), (5, 399892454), (10, 199946227), (13, 153804790), (26, 76902395), (61, 32778070), (65, 30760958), (122, 16389035), (130, 15380479), (305, 6555614), (610, 3277807), (793, 2521390), (1586, 1260695), (3965, 504278), (7930, 252139)]