388551260

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{6491}}^1$

素因数の和:6614

約数の個数: 48

約数和(自身を含む): 847439712

約数和(自身を除く): 458888452

約数列:

[1, 2, 4, 5, 10, 20, 41, 73, 82, 146, 164, 205, 292, 365, 410, 730, 820, 1460, 2993, 5986, 6491, 11972, 12982, 14965, 25964, 29930, 32455, 59860, 64910, 129820, 266131, 473843, 532262, 947686, 1064524, 1330655, 1895372, 2369215, 2661310, 4738430, 5322620, 9476860, 19427563, 38855126, 77710252, 97137815, 194275630, 388551260]

約数ペア:

[(1, 388551260), (2, 194275630), (4, 97137815), (5, 77710252), (10, 38855126), (20, 19427563), (41, 9476860), (73, 5322620), (82, 4738430), (146, 2661310), (164, 2369215), (205, 1895372), (292, 1330655), (365, 1064524), (410, 947686), (730, 532262), (820, 473843), (1460, 266131), (2993, 129820), (5986, 64910), (6491, 59860), (11972, 32455), (12982, 29930), (14965, 25964)]