281657460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{670613}}^1$

素因数の和:670632

約数の個数: 48

約数和(自身を含む): 901305216

約数和(自身を除く): 619647756

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 670613, 1341226, 2011839, 2682452, 3353065, 4023678, 4694291, 6706130, 8047356, 9388582, 10059195, 13412260, 14082873, 18777164, 20118390, 23471455, 28165746, 40236780, 46942910, 56331492, 70414365, 93885820, 140828730, 281657460]

約数ペア:

[(1, 281657460), (2, 140828730), (3, 93885820), (4, 70414365), (5, 56331492), (6, 46942910), (7, 40236780), (10, 28165746), (12, 23471455), (14, 20118390), (15, 18777164), (20, 14082873), (21, 13412260), (28, 10059195), (30, 9388582), (35, 8047356), (42, 6706130), (60, 4694291), (70, 4023678), (84, 3353065), (105, 2682452), (140, 2011839), (210, 1341226), (420, 670613)]