72470020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{1013}}^1$

素因数の和:1109

約数の個数: 72

約数和(自身を含む): 179636184

約数和(自身を除く): 107166164

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 73, 98, 140, 146, 196, 245, 292, 365, 490, 511, 730, 980, 1013, 1022, 1460, 2026, 2044, 2555, 3577, 4052, 5065, 5110, 7091, 7154, 10130, 10220, 14182, 14308, 17885, 20260, 28364, 35455, 35770, 49637, 70910, 71540, 73949, 99274, 141820, 147898, 198548, 248185, 295796, 369745, 496370, 517643, 739490, 992740, 1035286, 1478980, 2070572, 2588215, 3623501, 5176430, 7247002, 10352860, 14494004, 18117505, 36235010, 72470020]

約数ペア:

[(1, 72470020), (2, 36235010), (4, 18117505), (5, 14494004), (7, 10352860), (10, 7247002), (14, 5176430), (20, 3623501), (28, 2588215), (35, 2070572), (49, 1478980), (70, 1035286), (73, 992740), (98, 739490), (140, 517643), (146, 496370), (196, 369745), (245, 295796), (292, 248185), (365, 198548), (490, 147898), (511, 141820), (730, 99274), (980, 73949), (1013, 71540), (1022, 70910), (1460, 49637), (2026, 35770), (2044, 35455), (2555, 28364), (3577, 20260), (4052, 17885), (5065, 14308), (5110, 14182), (7091, 10220), (7154, 10130)]