638978050

素因数分解:

$2^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{383}}^1\times {\mathrm{547}}^1$

素因数の和:1003

約数の個数: 48

約数和(自身を含む): 1213350912

約数和(自身を除く): 574372862

約数列:

[1, 2, 5, 10, 25, 50, 61, 122, 305, 383, 547, 610, 766, 1094, 1525, 1915, 2735, 3050, 3830, 5470, 9575, 13675, 19150, 23363, 27350, 33367, 46726, 66734, 116815, 166835, 209501, 233630, 333670, 419002, 584075, 834175, 1047505, 1168150, 1668350, 2095010, 5237525, 10475050, 12779561, 25559122, 63897805, 127795610, 319489025, 638978050]

約数ペア:

[(1, 638978050), (2, 319489025), (5, 127795610), (10, 63897805), (25, 25559122), (50, 12779561), (61, 10475050), (122, 5237525), (305, 2095010), (383, 1668350), (547, 1168150), (610, 1047505), (766, 834175), (1094, 584075), (1525, 419002), (1915, 333670), (2735, 233630), (3050, 209501), (3830, 166835), (5470, 116815), (9575, 66734), (13675, 46726), (19150, 33367), (23363, 27350)]