77276420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{15643}}^1$

素因数の和:15684

約数の個数: 48

約数和(自身を含む): 183973440

約数和(自身を除く): 106697020

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 15643, 31286, 62572, 78215, 156430, 203359, 297217, 312860, 406718, 594434, 813436, 1016795, 1188868, 1486085, 2033590, 2972170, 3863821, 4067180, 5944340, 7727642, 15455284, 19319105, 38638210, 77276420]

約数ペア:

[(1, 77276420), (2, 38638210), (4, 19319105), (5, 15455284), (10, 7727642), (13, 5944340), (19, 4067180), (20, 3863821), (26, 2972170), (38, 2033590), (52, 1486085), (65, 1188868), (76, 1016795), (95, 813436), (130, 594434), (190, 406718), (247, 312860), (260, 297217), (380, 203359), (494, 156430), (988, 78215), (1235, 62572), (2470, 31286), (4940, 15643)]