621036979940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4447}}^1\times {\mathrm{537127}}^1$

素因数の和:541596

約数の個数: 48

約数和(自身を含む): 1404817462272

約数和(自身を除く): 783780482332

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 4447, 8894, 17788, 22235, 44470, 57811, 88940, 115622, 231244, 289055, 537127, 578110, 1074254, 1156220, 2148508, 2685635, 5371270, 6982651, 10742540, 13965302, 27930604, 34913255, 69826510, 139653020, 2388603769, 4777207538, 9554415076, 11943018845, 23886037690, 31051848997, 47772075380, 62103697994, 124207395988, 155259244985, 310518489970, 621036979940]

約数ペア:

[(1, 621036979940), (2, 310518489970), (4, 155259244985), (5, 124207395988), (10, 62103697994), (13, 47772075380), (20, 31051848997), (26, 23886037690), (52, 11943018845), (65, 9554415076), (130, 4777207538), (260, 2388603769), (4447, 139653020), (8894, 69826510), (17788, 34913255), (22235, 27930604), (44470, 13965302), (57811, 10742540), (88940, 6982651), (115622, 5371270), (231244, 2685635), (289055, 2148508), (537127, 1156220), (578110, 1074254)]