1609919140

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{991}}^1\times {\mathrm{1889}}^1$

素因数の和:2932

約数の個数: 48

約数和(自身を含む): 3464778240

約数和(自身を除く): 1854859100

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 991, 1889, 1982, 3778, 3964, 4955, 7556, 9445, 9910, 18890, 19820, 37780, 42613, 81227, 85226, 162454, 170452, 213065, 324908, 406135, 426130, 812270, 852260, 1624540, 1871999, 3743998, 7487996, 9359995, 18719990, 37439980, 80495957, 160991914, 321983828, 402479785, 804959570, 1609919140]

約数ペア:

[(1, 1609919140), (2, 804959570), (4, 402479785), (5, 321983828), (10, 160991914), (20, 80495957), (43, 37439980), (86, 18719990), (172, 9359995), (215, 7487996), (430, 3743998), (860, 1871999), (991, 1624540), (1889, 852260), (1982, 812270), (3778, 426130), (3964, 406135), (4955, 324908), (7556, 213065), (9445, 170452), (9910, 162454), (18890, 85226), (19820, 81227), (37780, 42613)]