254802020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37361}}^1$

素因数の和:37412

約数の個数: 48

約数和(自身を含む): 602574336

約数和(自身を除く): 347772316

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 3410, 6820, 37361, 74722, 149444, 186805, 373610, 410971, 747220, 821942, 1158191, 1643884, 2054855, 2316382, 4109710, 4632764, 5790955, 8219420, 11581910, 12740101, 23163820, 25480202, 50960404, 63700505, 127401010, 254802020]

約数ペア:

[(1, 254802020), (2, 127401010), (4, 63700505), (5, 50960404), (10, 25480202), (11, 23163820), (20, 12740101), (22, 11581910), (31, 8219420), (44, 5790955), (55, 4632764), (62, 4109710), (110, 2316382), (124, 2054855), (155, 1643884), (220, 1158191), (310, 821942), (341, 747220), (620, 410971), (682, 373610), (1364, 186805), (1705, 149444), (3410, 74722), (6820, 37361)]