664569820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1\times {\mathrm{211}}^1$

素因数の和:451

約数の個数: 96

約数和(自身を含む): 1507838976

約数和(自身を除く): 843269156

約数列:

[1, 2, 4, 5, 10, 20, 23, 41, 46, 82, 92, 115, 164, 167, 205, 211, 230, 334, 410, 422, 460, 668, 820, 835, 844, 943, 1055, 1670, 1886, 2110, 3340, 3772, 3841, 4220, 4715, 4853, 6847, 7682, 8651, 9430, 9706, 13694, 15364, 17302, 18860, 19205, 19412, 24265, 27388, 34235, 34604, 35237, 38410, 43255, 48530, 68470, 70474, 76820, 86510, 97060, 136940, 140948, 157481, 173020, 176185, 198973, 314962, 352370, 397946, 629924, 704740, 787405, 795892, 810451, 994865, 1444717, 1574810, 1620902, 1989730, 2889434, 3149620, 3241804, 3979460, 4052255, 5778868, 7223585, 8104510, 14447170, 16209020, 28894340, 33228491, 66456982, 132913964, 166142455, 332284910, 664569820]

約数ペア:

[(1, 664569820), (2, 332284910), (4, 166142455), (5, 132913964), (10, 66456982), (20, 33228491), (23, 28894340), (41, 16209020), (46, 14447170), (82, 8104510), (92, 7223585), (115, 5778868), (164, 4052255), (167, 3979460), (205, 3241804), (211, 3149620), (230, 2889434), (334, 1989730), (410, 1620902), (422, 1574810), (460, 1444717), (668, 994865), (820, 810451), (835, 795892), (844, 787405), (943, 704740), (1055, 629924), (1670, 397946), (1886, 352370), (2110, 314962), (3340, 198973), (3772, 176185), (3841, 173020), (4220, 157481), (4715, 140948), (4853, 136940), (6847, 97060), (7682, 86510), (8651, 76820), (9430, 70474), (9706, 68470), (13694, 48530), (15364, 43255), (17302, 38410), (18860, 35237), (19205, 34604), (19412, 34235), (24265, 27388)]