210577480

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{1399}}^1$

素因数の和:1534

約数の個数: 64

約数和(自身を含む): 489888000

約数和(自身を除く): 279310520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 71, 106, 142, 212, 265, 284, 355, 424, 530, 568, 710, 1060, 1399, 1420, 2120, 2798, 2840, 3763, 5596, 6995, 7526, 11192, 13990, 15052, 18815, 27980, 30104, 37630, 55960, 74147, 75260, 99329, 148294, 150520, 198658, 296588, 370735, 397316, 496645, 593176, 741470, 794632, 993290, 1482940, 1986580, 2965880, 3973160, 5264437, 10528874, 21057748, 26322185, 42115496, 52644370, 105288740, 210577480]

約数ペア:

[(1, 210577480), (2, 105288740), (4, 52644370), (5, 42115496), (8, 26322185), (10, 21057748), (20, 10528874), (40, 5264437), (53, 3973160), (71, 2965880), (106, 1986580), (142, 1482940), (212, 993290), (265, 794632), (284, 741470), (355, 593176), (424, 496645), (530, 397316), (568, 370735), (710, 296588), (1060, 198658), (1399, 150520), (1420, 148294), (2120, 99329), (2798, 75260), (2840, 74147), (3763, 55960), (5596, 37630), (6995, 30104), (7526, 27980), (11192, 18815), (13990, 15052)]