277589260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{4831}}^1$

素因数の和:4883

約数の個数: 72

約数和(自身を含む): 668497536

約数和(自身を除く): 390908276

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 169, 170, 221, 260, 338, 340, 442, 676, 845, 884, 1105, 1690, 2210, 2873, 3380, 4420, 4831, 5746, 9662, 11492, 14365, 19324, 24155, 28730, 48310, 57460, 62803, 82127, 96620, 125606, 164254, 251212, 314015, 328508, 410635, 628030, 816439, 821270, 1067651, 1256060, 1632878, 1642540, 2135302, 3265756, 4082195, 4270604, 5338255, 8164390, 10676510, 13879463, 16328780, 21353020, 27758926, 55517852, 69397315, 138794630, 277589260]

約数ペア:

[(1, 277589260), (2, 138794630), (4, 69397315), (5, 55517852), (10, 27758926), (13, 21353020), (17, 16328780), (20, 13879463), (26, 10676510), (34, 8164390), (52, 5338255), (65, 4270604), (68, 4082195), (85, 3265756), (130, 2135302), (169, 1642540), (170, 1632878), (221, 1256060), (260, 1067651), (338, 821270), (340, 816439), (442, 628030), (676, 410635), (845, 328508), (884, 314015), (1105, 251212), (1690, 164254), (2210, 125606), (2873, 96620), (3380, 82127), (4420, 62803), (4831, 57460), (5746, 48310), (9662, 28730), (11492, 24155), (14365, 19324)]