1372630220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{74357}}^1$

素因数の和:74450

約数の個数: 48

約数和(自身を含む): 3148020288

約数和(自身を除く): 1775390068

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 260, 284, 355, 710, 923, 1420, 1846, 3692, 4615, 9230, 18460, 74357, 148714, 297428, 371785, 743570, 966641, 1487140, 1933282, 3866564, 4833205, 5279347, 9666410, 10558694, 19332820, 21117388, 26396735, 52793470, 68631511, 105586940, 137263022, 274526044, 343157555, 686315110, 1372630220]

約数ペア:

[(1, 1372630220), (2, 686315110), (4, 343157555), (5, 274526044), (10, 137263022), (13, 105586940), (20, 68631511), (26, 52793470), (52, 26396735), (65, 21117388), (71, 19332820), (130, 10558694), (142, 9666410), (260, 5279347), (284, 4833205), (355, 3866564), (710, 1933282), (923, 1487140), (1420, 966641), (1846, 743570), (3692, 371785), (4615, 297428), (9230, 148714), (18460, 74357)]