508977220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{631}}^1\times {\mathrm{1301}}^1$

素因数の和:1972

約数の個数: 48

約数和(自身を含む): 1105929216

約数和(自身を除く): 596951996

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 631, 1262, 1301, 2524, 2602, 3155, 5204, 6310, 6505, 12620, 13010, 19561, 26020, 39122, 40331, 78244, 80662, 97805, 161324, 195610, 201655, 391220, 403310, 806620, 820931, 1641862, 3283724, 4104655, 8209310, 16418620, 25448861, 50897722, 101795444, 127244305, 254488610, 508977220]

約数ペア:

[(1, 508977220), (2, 254488610), (4, 127244305), (5, 101795444), (10, 50897722), (20, 25448861), (31, 16418620), (62, 8209310), (124, 4104655), (155, 3283724), (310, 1641862), (620, 820931), (631, 806620), (1262, 403310), (1301, 391220), (2524, 201655), (2602, 195610), (3155, 161324), (5204, 97805), (6310, 80662), (6505, 78244), (12620, 40331), (13010, 39122), (19561, 26020)]