80189900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1181}}^1$

素因数の和:1299

約数の個数: 72

約数和(自身を含む): 201091296

約数和(自身を除く): 120901396

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 97, 100, 140, 175, 194, 350, 388, 485, 679, 700, 970, 1181, 1358, 1940, 2362, 2425, 2716, 3395, 4724, 4850, 5905, 6790, 8267, 9700, 11810, 13580, 16534, 16975, 23620, 29525, 33068, 33950, 41335, 59050, 67900, 82670, 114557, 118100, 165340, 206675, 229114, 413350, 458228, 572785, 801899, 826700, 1145570, 1603798, 2291140, 2863925, 3207596, 4009495, 5727850, 8018990, 11455700, 16037980, 20047475, 40094950, 80189900]

約数ペア:

[(1, 80189900), (2, 40094950), (4, 20047475), (5, 16037980), (7, 11455700), (10, 8018990), (14, 5727850), (20, 4009495), (25, 3207596), (28, 2863925), (35, 2291140), (50, 1603798), (70, 1145570), (97, 826700), (100, 801899), (140, 572785), (175, 458228), (194, 413350), (350, 229114), (388, 206675), (485, 165340), (679, 118100), (700, 114557), (970, 82670), (1181, 67900), (1358, 59050), (1940, 41335), (2362, 33950), (2425, 33068), (2716, 29525), (3395, 23620), (4724, 16975), (4850, 16534), (5905, 13580), (6790, 11810), (8267, 9700)]