159904180

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{2473}}^1$

素因数の和:2596

約数の個数: 48

約数和(自身を含む): 347883984

約数和(自身を除く): 187979804

約数列:

[1, 2, 4, 5, 10, 20, 53, 61, 106, 122, 212, 244, 265, 305, 530, 610, 1060, 1220, 2473, 3233, 4946, 6466, 9892, 12365, 12932, 16165, 24730, 32330, 49460, 64660, 131069, 150853, 262138, 301706, 524276, 603412, 655345, 754265, 1310690, 1508530, 2621380, 3017060, 7995209, 15990418, 31980836, 39976045, 79952090, 159904180]

約数ペア:

[(1, 159904180), (2, 79952090), (4, 39976045), (5, 31980836), (10, 15990418), (20, 7995209), (53, 3017060), (61, 2621380), (106, 1508530), (122, 1310690), (212, 754265), (244, 655345), (265, 603412), (305, 524276), (530, 301706), (610, 262138), (1060, 150853), (1220, 131069), (2473, 64660), (3233, 49460), (4946, 32330), (6466, 24730), (9892, 16165), (12365, 12932)]