427638770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{1607}}^1$

素因数の和:1739

約数の個数: 64

約数和(自身を含む): 875266560

約数和(自身を除く): 447627790

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 89, 115, 130, 178, 230, 299, 445, 598, 890, 1157, 1495, 1607, 2047, 2314, 2990, 3214, 4094, 5785, 8035, 10235, 11570, 16070, 20470, 20891, 26611, 36961, 41782, 53222, 73922, 104455, 133055, 143023, 184805, 208910, 266110, 286046, 369610, 480493, 715115, 960986, 1430230, 1859299, 2402465, 3289529, 3718598, 4804930, 6579058, 9296495, 16447645, 18592990, 32895290, 42763877, 85527754, 213819385, 427638770]

約数ペア:

[(1, 427638770), (2, 213819385), (5, 85527754), (10, 42763877), (13, 32895290), (23, 18592990), (26, 16447645), (46, 9296495), (65, 6579058), (89, 4804930), (115, 3718598), (130, 3289529), (178, 2402465), (230, 1859299), (299, 1430230), (445, 960986), (598, 715115), (890, 480493), (1157, 369610), (1495, 286046), (1607, 266110), (2047, 208910), (2314, 184805), (2990, 143023), (3214, 133055), (4094, 104455), (5785, 73922), (8035, 53222), (10235, 41782), (11570, 36961), (16070, 26611), (20470, 20891)]