1330471660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{63781}}^1$

素因数の和:63946

約数の個数: 48

約数和(自身を含む): 3214612800

約数和(自身を除く): 1884141140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149, 298, 596, 745, 1043, 1490, 2086, 2980, 4172, 5215, 10430, 20860, 63781, 127562, 255124, 318905, 446467, 637810, 892934, 1275620, 1785868, 2232335, 4464670, 8929340, 9503369, 19006738, 38013476, 47516845, 66523583, 95033690, 133047166, 190067380, 266094332, 332617915, 665235830, 1330471660]

約数ペア:

[(1, 1330471660), (2, 665235830), (4, 332617915), (5, 266094332), (7, 190067380), (10, 133047166), (14, 95033690), (20, 66523583), (28, 47516845), (35, 38013476), (70, 19006738), (140, 9503369), (149, 8929340), (298, 4464670), (596, 2232335), (745, 1785868), (1043, 1275620), (1490, 892934), (2086, 637810), (2980, 446467), (4172, 318905), (5215, 255124), (10430, 127562), (20860, 63781)]