207878060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{11261}}^1$

素因数の和:11354

約数の個数: 48

約数和(自身を含む): 476788032

約数和(自身を除く): 268909972

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 260, 284, 355, 710, 923, 1420, 1846, 3692, 4615, 9230, 11261, 18460, 22522, 45044, 56305, 112610, 146393, 225220, 292786, 585572, 731965, 799531, 1463930, 1599062, 2927860, 3198124, 3997655, 7995310, 10393903, 15990620, 20787806, 41575612, 51969515, 103939030, 207878060]

約数ペア:

[(1, 207878060), (2, 103939030), (4, 51969515), (5, 41575612), (10, 20787806), (13, 15990620), (20, 10393903), (26, 7995310), (52, 3997655), (65, 3198124), (71, 2927860), (130, 1599062), (142, 1463930), (260, 799531), (284, 731965), (355, 585572), (710, 292786), (923, 225220), (1420, 146393), (1846, 112610), (3692, 56305), (4615, 45044), (9230, 22522), (11261, 18460)]