1017620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:140

約数の個数: 48

約数和(自身を含む): 2349648

約数和(自身を除く): 1332028

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 41, 68, 73, 82, 85, 146, 164, 170, 205, 292, 340, 365, 410, 697, 730, 820, 1241, 1394, 1460, 2482, 2788, 2993, 3485, 4964, 5986, 6205, 6970, 11972, 12410, 13940, 14965, 24820, 29930, 50881, 59860, 101762, 203524, 254405, 508810, 1017620]

約数ペア:

[(1, 1017620), (2, 508810), (4, 254405), (5, 203524), (10, 101762), (17, 59860), (20, 50881), (34, 29930), (41, 24820), (68, 14965), (73, 13940), (82, 12410), (85, 11972), (146, 6970), (164, 6205), (170, 5986), (205, 4964), (292, 3485), (340, 2993), (365, 2788), (410, 2482), (697, 1460), (730, 1394), (820, 1241)]