100809820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{4349}}^1$

素因数の和:4438

約数の個数: 48

約数和(自身を含む): 226548000

約数和(自身を除く): 125738180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 61, 76, 95, 122, 190, 244, 305, 380, 610, 1159, 1220, 2318, 4349, 4636, 5795, 8698, 11590, 17396, 21745, 23180, 43490, 82631, 86980, 165262, 265289, 330524, 413155, 530578, 826310, 1061156, 1326445, 1652620, 2652890, 5040491, 5305780, 10080982, 20161964, 25202455, 50404910, 100809820]

約数ペア:

[(1, 100809820), (2, 50404910), (4, 25202455), (5, 20161964), (10, 10080982), (19, 5305780), (20, 5040491), (38, 2652890), (61, 1652620), (76, 1326445), (95, 1061156), (122, 826310), (190, 530578), (244, 413155), (305, 330524), (380, 265289), (610, 165262), (1159, 86980), (1220, 82631), (2318, 43490), (4349, 23180), (4636, 21745), (5795, 17396), (8698, 11590)]