208134420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{266839}}^1$

素因数の和:266864

約数の個数: 48

約数和(自身を含む): 627607680

約数和(自身を除く): 419473260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 266839, 533678, 800517, 1067356, 1334195, 1601034, 2668390, 3202068, 3468907, 4002585, 5336780, 6937814, 8005170, 10406721, 13875628, 16010340, 17344535, 20813442, 34689070, 41626884, 52033605, 69378140, 104067210, 208134420]

約数ペア:

[(1, 208134420), (2, 104067210), (3, 69378140), (4, 52033605), (5, 41626884), (6, 34689070), (10, 20813442), (12, 17344535), (13, 16010340), (15, 13875628), (20, 10406721), (26, 8005170), (30, 6937814), (39, 5336780), (52, 4002585), (60, 3468907), (65, 3202068), (78, 2668390), (130, 1601034), (156, 1334195), (195, 1067356), (260, 800517), (390, 533678), (780, 266839)]