99178480

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{919}}^1$

素因数の和:1022

約数の個数: 80

約数和(自身を含む): 246412800

約数和(自身を除く): 147234320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 71, 76, 80, 95, 142, 152, 190, 284, 304, 355, 380, 568, 710, 760, 919, 1136, 1349, 1420, 1520, 1838, 2698, 2840, 3676, 4595, 5396, 5680, 6745, 7352, 9190, 10792, 13490, 14704, 17461, 18380, 21584, 26980, 34922, 36760, 53960, 65249, 69844, 73520, 87305, 107920, 130498, 139688, 174610, 260996, 279376, 326245, 349220, 521992, 652490, 698440, 1043984, 1239731, 1304980, 1396880, 2479462, 2609960, 4958924, 5219920, 6198655, 9917848, 12397310, 19835696, 24794620, 49589240, 99178480]

約数ペア:

[(1, 99178480), (2, 49589240), (4, 24794620), (5, 19835696), (8, 12397310), (10, 9917848), (16, 6198655), (19, 5219920), (20, 4958924), (38, 2609960), (40, 2479462), (71, 1396880), (76, 1304980), (80, 1239731), (95, 1043984), (142, 698440), (152, 652490), (190, 521992), (284, 349220), (304, 326245), (355, 279376), (380, 260996), (568, 174610), (710, 139688), (760, 130498), (919, 107920), (1136, 87305), (1349, 73520), (1420, 69844), (1520, 65249), (1838, 53960), (2698, 36760), (2840, 34922), (3676, 26980), (4595, 21584), (5396, 18380), (5680, 17461), (6745, 14704), (7352, 13490), (9190, 10792)]