3945759980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^2\times {\mathrm{67}}^1$

素因数の和:244

約数の個数: 144

約数和(自身を含む): 9075956736

約数和(自身を除く): 5130196756

約数列:

[1, 2, 4, 5, 10, 20, 31, 43, 47, 62, 67, 86, 94, 124, 134, 155, 172, 188, 215, 235, 268, 310, 335, 430, 470, 620, 670, 860, 940, 1333, 1340, 1457, 2021, 2077, 2209, 2666, 2881, 2914, 3149, 4042, 4154, 4418, 5332, 5762, 5828, 6298, 6665, 7285, 8084, 8308, 8836, 10105, 10385, 11045, 11524, 12596, 13330, 14405, 14570, 15745, 20210, 20770, 22090, 26660, 28810, 29140, 31490, 40420, 41540, 44180, 57620, 62651, 62980, 68479, 89311, 94987, 97619, 125302, 135407, 136958, 148003, 178622, 189974, 195238, 250604, 270814, 273916, 296006, 313255, 342395, 357244, 379948, 390476, 446555, 474935, 488095, 541628, 592012, 626510, 677035, 684790, 740015, 893110, 949870, 976190, 1253020, 1354070, 1369580, 1480030, 1786220, 1899740, 1952380, 2708140, 2944597, 2960060, 4197617, 4588093, 5889194, 6364129, 8395234, 9176186, 11778388, 12728258, 14722985, 16790468, 18352372, 20988085, 22940465, 25456516, 29445970, 31820645, 41976170, 45880930, 58891940, 63641290, 83952340, 91761860, 127282580, 197287999, 394575998, 789151996, 986439995, 1972879990, 3945759980]

約数ペア:

[(1, 3945759980), (2, 1972879990), (4, 986439995), (5, 789151996), (10, 394575998), (20, 197287999), (31, 127282580), (43, 91761860), (47, 83952340), (62, 63641290), (67, 58891940), (86, 45880930), (94, 41976170), (124, 31820645), (134, 29445970), (155, 25456516), (172, 22940465), (188, 20988085), (215, 18352372), (235, 16790468), (268, 14722985), (310, 12728258), (335, 11778388), (430, 9176186), (470, 8395234), (620, 6364129), (670, 5889194), (860, 4588093), (940, 4197617), (1333, 2960060), (1340, 2944597), (1457, 2708140), (2021, 1952380), (2077, 1899740), (2209, 1786220), (2666, 1480030), (2881, 1369580), (2914, 1354070), (3149, 1253020), (4042, 976190), (4154, 949870), (4418, 893110), (5332, 740015), (5762, 684790), (5828, 677035), (6298, 626510), (6665, 592012), (7285, 541628), (8084, 488095), (8308, 474935), (8836, 446555), (10105, 390476), (10385, 379948), (11045, 357244), (11524, 342395), (12596, 313255), (13330, 296006), (14405, 273916), (14570, 270814), (15745, 250604), (20210, 195238), (20770, 189974), (22090, 178622), (26660, 148003), (28810, 136958), (29140, 135407), (31490, 125302), (40420, 97619), (41540, 94987), (44180, 89311), (57620, 68479), (62651, 62980)]