831001360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{31573}}^1$

素因数の和:31640

約数の個数: 80

約数和(自身を含む): 2255141376

約数和(自身を除く): 1424140016

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 47, 56, 70, 80, 94, 112, 140, 188, 235, 280, 329, 376, 470, 560, 658, 752, 940, 1316, 1645, 1880, 2632, 3290, 3760, 5264, 6580, 13160, 26320, 31573, 63146, 126292, 157865, 221011, 252584, 315730, 442022, 505168, 631460, 884044, 1105055, 1262920, 1483931, 1768088, 2210110, 2525840, 2967862, 3536176, 4420220, 5935724, 7419655, 8840440, 10387517, 11871448, 14839310, 17680880, 20775034, 23742896, 29678620, 41550068, 51937585, 59357240, 83100136, 103875170, 118714480, 166200272, 207750340, 415500680, 831001360]

約数ペア:

[(1, 831001360), (2, 415500680), (4, 207750340), (5, 166200272), (7, 118714480), (8, 103875170), (10, 83100136), (14, 59357240), (16, 51937585), (20, 41550068), (28, 29678620), (35, 23742896), (40, 20775034), (47, 17680880), (56, 14839310), (70, 11871448), (80, 10387517), (94, 8840440), (112, 7419655), (140, 5935724), (188, 4420220), (235, 3536176), (280, 2967862), (329, 2525840), (376, 2210110), (470, 1768088), (560, 1483931), (658, 1262920), (752, 1105055), (940, 884044), (1316, 631460), (1645, 505168), (1880, 442022), (2632, 315730), (3290, 252584), (3760, 221011), (5264, 157865), (6580, 126292), (13160, 63146), (26320, 31573)]