2169456460

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1778243}}^1$

素因数の和:1778313

約数の個数: 24

約数和(自身を含む): 4630547376

約数和(自身を除く): 2461090916

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 1778243, 3556486, 7112972, 8891215, 17782430, 35564860, 108472823, 216945646, 433891292, 542364115, 1084728230, 2169456460]

約数ペア:

[(1, 2169456460), (2, 1084728230), (4, 542364115), (5, 433891292), (10, 216945646), (20, 108472823), (61, 35564860), (122, 17782430), (244, 8891215), (305, 7112972), (610, 3556486), (1220, 1778243)]