257605970

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{15679}}^1$

素因数の和:15770

約数の個数: 32

約数和(自身を含む): 487710720

約数和(自身を除く): 230104750

約数列:

[1, 2, 5, 10, 31, 53, 62, 106, 155, 265, 310, 530, 1643, 3286, 8215, 15679, 16430, 31358, 78395, 156790, 486049, 830987, 972098, 1661974, 2430245, 4154935, 4860490, 8309870, 25760597, 51521194, 128802985, 257605970]

約数ペア:

[(1, 257605970), (2, 128802985), (5, 51521194), (10, 25760597), (31, 8309870), (53, 4860490), (62, 4154935), (106, 2430245), (155, 1661974), (265, 972098), (310, 830987), (530, 486049), (1643, 156790), (3286, 78395), (8215, 31358), (15679, 16430)]