981475970

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{61}}^1\times {\mathrm{4457}}^1$

素因数の和:4563

約数の個数: 48

約数和(自身を含む): 1895523768

約数和(自身を除く): 914047798

約数列:

[1, 2, 5, 10, 19, 38, 61, 95, 122, 190, 305, 361, 610, 722, 1159, 1805, 2318, 3610, 4457, 5795, 8914, 11590, 22021, 22285, 44042, 44570, 84683, 110105, 169366, 220210, 271877, 423415, 543754, 846830, 1359385, 1608977, 2718770, 3217954, 5165663, 8044885, 10331326, 16089770, 25828315, 51656630, 98147597, 196295194, 490737985, 981475970]

約数ペア:

[(1, 981475970), (2, 490737985), (5, 196295194), (10, 98147597), (19, 51656630), (38, 25828315), (61, 16089770), (95, 10331326), (122, 8044885), (190, 5165663), (305, 3217954), (361, 2718770), (610, 1608977), (722, 1359385), (1159, 846830), (1805, 543754), (2318, 423415), (3610, 271877), (4457, 220210), (5795, 169366), (8914, 110105), (11590, 84683), (22021, 44570), (22285, 44042)]