1880821150

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{3011}}^1$

素因数の和:3098

約数の個数: 72

約数和(自身を含む): 3894172632

約数和(自身を除く): 2013351482

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 130, 155, 310, 325, 403, 650, 775, 806, 961, 1550, 1922, 2015, 3011, 4030, 4805, 6022, 9610, 10075, 12493, 15055, 20150, 24025, 24986, 30110, 39143, 48050, 62465, 75275, 78286, 93341, 124930, 150550, 186682, 195715, 312325, 391430, 466705, 624650, 933410, 978575, 1213433, 1957150, 2333525, 2426866, 2893571, 4667050, 5787142, 6067165, 12134330, 14467855, 28935710, 30335825, 37616423, 60671650, 72339275, 75232846, 144678550, 188082115, 376164230, 940410575, 1880821150]

約数ペア:

[(1, 1880821150), (2, 940410575), (5, 376164230), (10, 188082115), (13, 144678550), (25, 75232846), (26, 72339275), (31, 60671650), (50, 37616423), (62, 30335825), (65, 28935710), (130, 14467855), (155, 12134330), (310, 6067165), (325, 5787142), (403, 4667050), (650, 2893571), (775, 2426866), (806, 2333525), (961, 1957150), (1550, 1213433), (1922, 978575), (2015, 933410), (3011, 624650), (4030, 466705), (4805, 391430), (6022, 312325), (9610, 195715), (10075, 186682), (12493, 150550), (15055, 124930), (20150, 93341), (24025, 78286), (24986, 75275), (30110, 62465), (39143, 48050)]