401027540

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{5851}}^1$

素因数の和:6032

約数の個数: 48

約数和(自身を含む): 884822400

約数和(自身を除く): 483794860

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 149, 230, 298, 460, 596, 745, 1490, 2980, 3427, 5851, 6854, 11702, 13708, 17135, 23404, 29255, 34270, 58510, 68540, 117020, 134573, 269146, 538292, 672865, 871799, 1345730, 1743598, 2691460, 3487196, 4358995, 8717990, 17435980, 20051377, 40102754, 80205508, 100256885, 200513770, 401027540]

約数ペア:

[(1, 401027540), (2, 200513770), (4, 100256885), (5, 80205508), (10, 40102754), (20, 20051377), (23, 17435980), (46, 8717990), (92, 4358995), (115, 3487196), (149, 2691460), (230, 1743598), (298, 1345730), (460, 871799), (596, 672865), (745, 538292), (1490, 269146), (2980, 134573), (3427, 117020), (5851, 68540), (6854, 58510), (11702, 34270), (13708, 29255), (17135, 23404)]