2019955500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{448879}}^1$

素因数の和:448904

約数の個数: 72

約数和(自身を含む): 6372300480

約数和(自身を除く): 4352344980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 125, 150, 180, 225, 250, 300, 375, 450, 500, 750, 900, 1125, 1500, 2250, 4500, 448879, 897758, 1346637, 1795516, 2244395, 2693274, 4039911, 4488790, 5386548, 6733185, 8079822, 8977580, 11221975, 13466370, 16159644, 20199555, 22443950, 26932740, 33665925, 40399110, 44887900, 56109875, 67331850, 80798220, 100997775, 112219750, 134663700, 168329625, 201995550, 224439500, 336659250, 403991100, 504988875, 673318500, 1009977750, 2019955500]

約数ペア:

[(1, 2019955500), (2, 1009977750), (3, 673318500), (4, 504988875), (5, 403991100), (6, 336659250), (9, 224439500), (10, 201995550), (12, 168329625), (15, 134663700), (18, 112219750), (20, 100997775), (25, 80798220), (30, 67331850), (36, 56109875), (45, 44887900), (50, 40399110), (60, 33665925), (75, 26932740), (90, 22443950), (100, 20199555), (125, 16159644), (150, 13466370), (180, 11221975), (225, 8977580), (250, 8079822), (300, 6733185), (375, 5386548), (450, 4488790), (500, 4039911), (750, 2693274), (900, 2244395), (1125, 1795516), (1500, 1346637), (2250, 897758), (4500, 448879)]