82977860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^2\times {\mathrm{211}}^1$

素因数の和:333

約数の個数: 72

約数和(自身を含む): 203937216

約数和(自身を除く): 120959356

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 106, 140, 211, 212, 265, 371, 422, 530, 742, 844, 1055, 1060, 1477, 1484, 1855, 2110, 2809, 2954, 3710, 4220, 5618, 5908, 7385, 7420, 11183, 11236, 14045, 14770, 19663, 22366, 28090, 29540, 39326, 44732, 55915, 56180, 78281, 78652, 98315, 111830, 156562, 196630, 223660, 313124, 391405, 393260, 592699, 782810, 1185398, 1565620, 2370796, 2963495, 4148893, 5926990, 8297786, 11853980, 16595572, 20744465, 41488930, 82977860]

約数ペア:

[(1, 82977860), (2, 41488930), (4, 20744465), (5, 16595572), (7, 11853980), (10, 8297786), (14, 5926990), (20, 4148893), (28, 2963495), (35, 2370796), (53, 1565620), (70, 1185398), (106, 782810), (140, 592699), (211, 393260), (212, 391405), (265, 313124), (371, 223660), (422, 196630), (530, 156562), (742, 111830), (844, 98315), (1055, 78652), (1060, 78281), (1477, 56180), (1484, 55915), (1855, 44732), (2110, 39326), (2809, 29540), (2954, 28090), (3710, 22366), (4220, 19663), (5618, 14770), (5908, 14045), (7385, 11236), (7420, 11183)]