2009383980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{778831}}^1$

素因数の和:778886

約数の個数: 48

約数和(自身を含む): 5757126144

約数和(自身を除く): 3747742164

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 778831, 1557662, 2336493, 3115324, 3894155, 4672986, 7788310, 9345972, 11682465, 15576620, 23364930, 33489733, 46729860, 66979466, 100469199, 133958932, 167448665, 200938398, 334897330, 401876796, 502345995, 669794660, 1004691990, 2009383980]

約数ペア:

[(1, 2009383980), (2, 1004691990), (3, 669794660), (4, 502345995), (5, 401876796), (6, 334897330), (10, 200938398), (12, 167448665), (15, 133958932), (20, 100469199), (30, 66979466), (43, 46729860), (60, 33489733), (86, 23364930), (129, 15576620), (172, 11682465), (215, 9345972), (258, 7788310), (430, 4672986), (516, 3894155), (645, 3115324), (860, 2336493), (1290, 1557662), (2580, 778831)]