1522780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 3729600

約数和(自身を除く): 2206820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 149, 292, 298, 365, 511, 596, 730, 745, 1022, 1043, 1460, 1490, 2044, 2086, 2555, 2980, 4172, 5110, 5215, 10220, 10430, 10877, 20860, 21754, 43508, 54385, 76139, 108770, 152278, 217540, 304556, 380695, 761390, 1522780]

約数ペア:

[(1, 1522780), (2, 761390), (4, 380695), (5, 304556), (7, 217540), (10, 152278), (14, 108770), (20, 76139), (28, 54385), (35, 43508), (70, 21754), (73, 20860), (140, 10877), (146, 10430), (149, 10220), (292, 5215), (298, 5110), (365, 4172), (511, 2980), (596, 2555), (730, 2086), (745, 2044), (1022, 1490), (1043, 1460)]