1604540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:246

約数の個数: 48

約数和(自身を含む): 3928512

約数和(自身を除く): 2323972

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 157, 292, 314, 365, 511, 628, 730, 785, 1022, 1099, 1460, 1570, 2044, 2198, 2555, 3140, 4396, 5110, 5495, 10220, 10990, 11461, 21980, 22922, 45844, 57305, 80227, 114610, 160454, 229220, 320908, 401135, 802270, 1604540]

約数ペア:

[(1, 1604540), (2, 802270), (4, 401135), (5, 320908), (7, 229220), (10, 160454), (14, 114610), (20, 80227), (28, 57305), (35, 45844), (70, 22922), (73, 21980), (140, 11461), (146, 10990), (157, 10220), (292, 5495), (314, 5110), (365, 4396), (511, 3140), (628, 2555), (730, 2198), (785, 2044), (1022, 1570), (1099, 1460)]