4098220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{401}}^1$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 9995328

約数和(自身を除く): 5897108

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 401, 511, 730, 802, 1022, 1460, 1604, 2005, 2044, 2555, 2807, 4010, 5110, 5614, 8020, 10220, 11228, 14035, 28070, 29273, 56140, 58546, 117092, 146365, 204911, 292730, 409822, 585460, 819644, 1024555, 2049110, 4098220]

約数ペア:

[(1, 4098220), (2, 2049110), (4, 1024555), (5, 819644), (7, 585460), (10, 409822), (14, 292730), (20, 204911), (28, 146365), (35, 117092), (70, 58546), (73, 56140), (140, 29273), (146, 28070), (292, 14035), (365, 11228), (401, 10220), (511, 8020), (730, 5614), (802, 5110), (1022, 4010), (1460, 2807), (1604, 2555), (2005, 2044)]