2019980150

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{1303213}}^1$

素因数の和:1303256

約数の個数: 24

約数和(自身を含む): 3878364864

約数和(自身を除く): 1858384714

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 155, 310, 775, 1550, 1303213, 2606426, 6516065, 13032130, 32580325, 40399603, 65160650, 80799206, 201998015, 403996030, 1009990075, 2019980150]

約数ペア:

[(1, 2019980150), (2, 1009990075), (5, 403996030), (10, 201998015), (25, 80799206), (31, 65160650), (50, 40399603), (62, 32580325), (155, 13032130), (310, 6516065), (775, 2606426), (1550, 1303213)]