272161460

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{1399}}^1$

素因数の和:1616

約数の個数: 48

約数和(自身を含む): 584236800

約数和(自身を除く): 312075340

約数列:

[1, 2, 4, 5, 10, 20, 71, 137, 142, 274, 284, 355, 548, 685, 710, 1370, 1399, 1420, 2740, 2798, 5596, 6995, 9727, 13990, 19454, 27980, 38908, 48635, 97270, 99329, 191663, 194540, 198658, 383326, 397316, 496645, 766652, 958315, 993290, 1916630, 1986580, 3833260, 13608073, 27216146, 54432292, 68040365, 136080730, 272161460]

約数ペア:

[(1, 272161460), (2, 136080730), (4, 68040365), (5, 54432292), (10, 27216146), (20, 13608073), (71, 3833260), (137, 1986580), (142, 1916630), (274, 993290), (284, 958315), (355, 766652), (548, 496645), (685, 397316), (710, 383326), (1370, 198658), (1399, 194540), (1420, 191663), (2740, 99329), (2798, 97270), (5596, 48635), (6995, 38908), (9727, 27980), (13990, 19454)]