388794800

素因数分解:

$2^4\times 5^2\times {\mathrm{41}}^1\times {\mathrm{151}}^1\times {\mathrm{157}}^1$

素因数の和:367

約数の個数: 120

約数和(自身を含む): 969333792

約数和(自身を除く): 580538992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 41, 50, 80, 82, 100, 151, 157, 164, 200, 205, 302, 314, 328, 400, 410, 604, 628, 656, 755, 785, 820, 1025, 1208, 1256, 1510, 1570, 1640, 2050, 2416, 2512, 3020, 3140, 3280, 3775, 3925, 4100, 6040, 6191, 6280, 6437, 7550, 7850, 8200, 12080, 12382, 12560, 12874, 15100, 15700, 16400, 23707, 24764, 25748, 30200, 30955, 31400, 32185, 47414, 49528, 51496, 60400, 61910, 62800, 64370, 94828, 99056, 102992, 118535, 123820, 128740, 154775, 160925, 189656, 237070, 247640, 257480, 309550, 321850, 379312, 474140, 495280, 514960, 592675, 619100, 643700, 948280, 971987, 1185350, 1238200, 1287400, 1896560, 1943974, 2370700, 2476400, 2574800, 3887948, 4741400, 4859935, 7775896, 9482800, 9719870, 15551792, 19439740, 24299675, 38879480, 48599350, 77758960, 97198700, 194397400, 388794800]

約数ペア:

[(1, 388794800), (2, 194397400), (4, 97198700), (5, 77758960), (8, 48599350), (10, 38879480), (16, 24299675), (20, 19439740), (25, 15551792), (40, 9719870), (41, 9482800), (50, 7775896), (80, 4859935), (82, 4741400), (100, 3887948), (151, 2574800), (157, 2476400), (164, 2370700), (200, 1943974), (205, 1896560), (302, 1287400), (314, 1238200), (328, 1185350), (400, 971987), (410, 948280), (604, 643700), (628, 619100), (656, 592675), (755, 514960), (785, 495280), (820, 474140), (1025, 379312), (1208, 321850), (1256, 309550), (1510, 257480), (1570, 247640), (1640, 237070), (2050, 189656), (2416, 160925), (2512, 154775), (3020, 128740), (3140, 123820), (3280, 118535), (3775, 102992), (3925, 99056), (4100, 94828), (6040, 64370), (6191, 62800), (6280, 61910), (6437, 60400), (7550, 51496), (7850, 49528), (8200, 47414), (12080, 32185), (12382, 31400), (12560, 30955), (12874, 30200), (15100, 25748), (15700, 24764), (16400, 23707)]