258475210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{311}}^1\times {\mathrm{383}}^1$

素因数の和:739

約数の個数: 64

約数和(自身を含む): 552075264

約数和(自身を除く): 293600054

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 311, 383, 434, 622, 766, 1085, 1555, 1915, 2170, 2177, 2681, 3110, 3830, 4354, 5362, 9641, 10885, 11873, 13405, 19282, 21770, 23746, 26810, 48205, 59365, 67487, 83111, 96410, 118730, 119113, 134974, 166222, 238226, 337435, 415555, 595565, 674870, 831110, 833791, 1191130, 1667582, 3692503, 4168955, 7385006, 8337910, 18462515, 25847521, 36925030, 51695042, 129237605, 258475210]

約数ペア:

[(1, 258475210), (2, 129237605), (5, 51695042), (7, 36925030), (10, 25847521), (14, 18462515), (31, 8337910), (35, 7385006), (62, 4168955), (70, 3692503), (155, 1667582), (217, 1191130), (310, 833791), (311, 831110), (383, 674870), (434, 595565), (622, 415555), (766, 337435), (1085, 238226), (1555, 166222), (1915, 134974), (2170, 119113), (2177, 118730), (2681, 96410), (3110, 83111), (3830, 67487), (4354, 59365), (5362, 48205), (9641, 26810), (10885, 23746), (11873, 21770), (13405, 19282)]