268554940

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{251}}^1\times {\mathrm{877}}^1$

素因数の和:1198

約数の個数: 48

約数和(自身を含む): 576150624

約数和(自身を除く): 307595684

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 251, 305, 502, 610, 877, 1004, 1220, 1255, 1754, 2510, 3508, 4385, 5020, 8770, 15311, 17540, 30622, 53497, 61244, 76555, 106994, 153110, 213988, 220127, 267485, 306220, 440254, 534970, 880508, 1069940, 1100635, 2201270, 4402540, 13427747, 26855494, 53710988, 67138735, 134277470, 268554940]

約数ペア:

[(1, 268554940), (2, 134277470), (4, 67138735), (5, 53710988), (10, 26855494), (20, 13427747), (61, 4402540), (122, 2201270), (244, 1100635), (251, 1069940), (305, 880508), (502, 534970), (610, 440254), (877, 306220), (1004, 267485), (1220, 220127), (1255, 213988), (1754, 153110), (2510, 106994), (3508, 76555), (4385, 61244), (5020, 53497), (8770, 30622), (15311, 17540)]