68898860

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{1151}}^1$

素因数の和:1274

約数の個数: 48

約数和(自身を含む): 150377472

約数和(自身を除く): 81478612

約数列:

[1, 2, 4, 5, 10, 20, 41, 73, 82, 146, 164, 205, 292, 365, 410, 730, 820, 1151, 1460, 2302, 2993, 4604, 5755, 5986, 11510, 11972, 14965, 23020, 29930, 47191, 59860, 84023, 94382, 168046, 188764, 235955, 336092, 420115, 471910, 840230, 943820, 1680460, 3444943, 6889886, 13779772, 17224715, 34449430, 68898860]

約数ペア:

[(1, 68898860), (2, 34449430), (4, 17224715), (5, 13779772), (10, 6889886), (20, 3444943), (41, 1680460), (73, 943820), (82, 840230), (146, 471910), (164, 420115), (205, 336092), (292, 235955), (365, 188764), (410, 168046), (730, 94382), (820, 84023), (1151, 59860), (1460, 47191), (2302, 29930), (2993, 23020), (4604, 14965), (5755, 11972), (5986, 11510)]