81677050

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{619}}^1$

素因数の和:680

約数の個数: 96

約数和(自身を含む): 193737600

約数和(自身を除く): 112060550

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 29, 35, 50, 58, 65, 70, 91, 130, 145, 175, 182, 203, 290, 325, 350, 377, 406, 455, 619, 650, 725, 754, 910, 1015, 1238, 1450, 1885, 2030, 2275, 2639, 3095, 3770, 4333, 4550, 5075, 5278, 6190, 8047, 8666, 9425, 10150, 13195, 15475, 16094, 17951, 18850, 21665, 26390, 30950, 35902, 40235, 43330, 56329, 65975, 80470, 89755, 108325, 112658, 125657, 131950, 179510, 201175, 216650, 233363, 251314, 281645, 402350, 448775, 466726, 563290, 628285, 897550, 1166815, 1256570, 1408225, 1633541, 2333630, 2816450, 3141425, 3267082, 5834075, 6282850, 8167705, 11668150, 16335410, 40838525, 81677050]

約数ペア:

[(1, 81677050), (2, 40838525), (5, 16335410), (7, 11668150), (10, 8167705), (13, 6282850), (14, 5834075), (25, 3267082), (26, 3141425), (29, 2816450), (35, 2333630), (50, 1633541), (58, 1408225), (65, 1256570), (70, 1166815), (91, 897550), (130, 628285), (145, 563290), (175, 466726), (182, 448775), (203, 402350), (290, 281645), (325, 251314), (350, 233363), (377, 216650), (406, 201175), (455, 179510), (619, 131950), (650, 125657), (725, 112658), (754, 108325), (910, 89755), (1015, 80470), (1238, 65975), (1450, 56329), (1885, 43330), (2030, 40235), (2275, 35902), (2639, 30950), (3095, 26390), (3770, 21665), (4333, 18850), (4550, 17951), (5075, 16094), (5278, 15475), (6190, 13195), (8047, 10150), (8666, 9425)]