231358640

素因数分解:

$2^4\times 5^1\times {\mathrm{1549}}^1\times {\mathrm{1867}}^1$

素因数の和:3429

約数の個数: 40

約数和(自身を含む): 538544400

約数和(自身を除く): 307185760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1549, 1867, 3098, 3734, 6196, 7468, 7745, 9335, 12392, 14936, 15490, 18670, 24784, 29872, 30980, 37340, 61960, 74680, 123920, 149360, 2891983, 5783966, 11567932, 14459915, 23135864, 28919830, 46271728, 57839660, 115679320, 231358640]

約数ペア:

[(1, 231358640), (2, 115679320), (4, 57839660), (5, 46271728), (8, 28919830), (10, 23135864), (16, 14459915), (20, 11567932), (40, 5783966), (80, 2891983), (1549, 149360), (1867, 123920), (3098, 74680), (3734, 61960), (6196, 37340), (7468, 30980), (7745, 29872), (9335, 24784), (12392, 18670), (14936, 15490)]