240820400

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{19421}}^1$

素因数の和:19470

約数の個数: 60

約数和(自身を含む): 597265344

約数和(自身を除く): 356444944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 155, 200, 248, 310, 400, 496, 620, 775, 1240, 1550, 2480, 3100, 6200, 12400, 19421, 38842, 77684, 97105, 155368, 194210, 310736, 388420, 485525, 602051, 776840, 971050, 1204102, 1553680, 1942100, 2408204, 3010255, 3884200, 4816408, 6020510, 7768400, 9632816, 12041020, 15051275, 24082040, 30102550, 48164080, 60205100, 120410200, 240820400]

約数ペア:

[(1, 240820400), (2, 120410200), (4, 60205100), (5, 48164080), (8, 30102550), (10, 24082040), (16, 15051275), (20, 12041020), (25, 9632816), (31, 7768400), (40, 6020510), (50, 4816408), (62, 3884200), (80, 3010255), (100, 2408204), (124, 1942100), (155, 1553680), (200, 1204102), (248, 971050), (310, 776840), (400, 602051), (496, 485525), (620, 388420), (775, 310736), (1240, 194210), (1550, 155368), (2480, 97105), (3100, 77684), (6200, 38842), (12400, 19421)]