1621000580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{69931}}^1$

素因数の和:70020

約数の個数: 48

約数和(自身を含む): 3642058560

約数和(自身を除く): 2021057980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 61, 76, 95, 122, 190, 244, 305, 380, 610, 1159, 1220, 2318, 4636, 5795, 11590, 23180, 69931, 139862, 279724, 349655, 699310, 1328689, 1398620, 2657378, 4265791, 5314756, 6643445, 8531582, 13286890, 17063164, 21328955, 26573780, 42657910, 81050029, 85315820, 162100058, 324200116, 405250145, 810500290, 1621000580]

約数ペア:

[(1, 1621000580), (2, 810500290), (4, 405250145), (5, 324200116), (10, 162100058), (19, 85315820), (20, 81050029), (38, 42657910), (61, 26573780), (76, 21328955), (95, 17063164), (122, 13286890), (190, 8531582), (244, 6643445), (305, 5314756), (380, 4265791), (610, 2657378), (1159, 1398620), (1220, 1328689), (2318, 699310), (4636, 349655), (5795, 279724), (11590, 139862), (23180, 69931)]