4371920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1$

素因数の和:268

約数の個数: 80

約数和(自身を含む): 11987328

約数和(自身を除く): 7615408

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 56, 70, 74, 80, 112, 140, 148, 185, 211, 259, 280, 296, 370, 422, 518, 560, 592, 740, 844, 1036, 1055, 1295, 1477, 1480, 1688, 2072, 2110, 2590, 2954, 2960, 3376, 4144, 4220, 5180, 5908, 7385, 7807, 8440, 10360, 11816, 14770, 15614, 16880, 20720, 23632, 29540, 31228, 39035, 54649, 59080, 62456, 78070, 109298, 118160, 124912, 156140, 218596, 273245, 312280, 437192, 546490, 624560, 874384, 1092980, 2185960, 4371920]

約数ペア:

[(1, 4371920), (2, 2185960), (4, 1092980), (5, 874384), (7, 624560), (8, 546490), (10, 437192), (14, 312280), (16, 273245), (20, 218596), (28, 156140), (35, 124912), (37, 118160), (40, 109298), (56, 78070), (70, 62456), (74, 59080), (80, 54649), (112, 39035), (140, 31228), (148, 29540), (185, 23632), (211, 20720), (259, 16880), (280, 15614), (296, 14770), (370, 11816), (422, 10360), (518, 8440), (560, 7807), (592, 7385), (740, 5908), (844, 5180), (1036, 4220), (1055, 4144), (1295, 3376), (1477, 2960), (1480, 2954), (1688, 2590), (2072, 2110)]