81346300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1471}}^1$

素因数の和:1571

約数の個数: 72

約数和(自身を含む): 204431360

約数和(自身を除く): 123085060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 79, 100, 140, 158, 175, 316, 350, 395, 553, 700, 790, 1106, 1471, 1580, 1975, 2212, 2765, 2942, 3950, 5530, 5884, 7355, 7900, 10297, 11060, 13825, 14710, 20594, 27650, 29420, 36775, 41188, 51485, 55300, 73550, 102970, 116209, 147100, 205940, 232418, 257425, 464836, 514850, 581045, 813463, 1029700, 1162090, 1626926, 2324180, 2905225, 3253852, 4067315, 5810450, 8134630, 11620900, 16269260, 20336575, 40673150, 81346300]

約数ペア:

[(1, 81346300), (2, 40673150), (4, 20336575), (5, 16269260), (7, 11620900), (10, 8134630), (14, 5810450), (20, 4067315), (25, 3253852), (28, 2905225), (35, 2324180), (50, 1626926), (70, 1162090), (79, 1029700), (100, 813463), (140, 581045), (158, 514850), (175, 464836), (316, 257425), (350, 232418), (395, 205940), (553, 147100), (700, 116209), (790, 102970), (1106, 73550), (1471, 55300), (1580, 51485), (1975, 41188), (2212, 36775), (2765, 29420), (2942, 27650), (3950, 20594), (5530, 14710), (5884, 13825), (7355, 11060), (7900, 10297)]