8080100

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{97}}^1$

素因数の和:142

約数の個数: 108

約数和(自身を含む): 21818916

約数和(自身を除く): 13738816

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 25, 28, 34, 35, 49, 50, 68, 70, 85, 97, 98, 100, 119, 140, 170, 175, 194, 196, 238, 245, 340, 350, 388, 425, 476, 485, 490, 595, 679, 700, 833, 850, 970, 980, 1190, 1225, 1358, 1649, 1666, 1700, 1940, 2380, 2425, 2450, 2716, 2975, 3298, 3332, 3395, 4165, 4753, 4850, 4900, 5950, 6596, 6790, 8245, 8330, 9506, 9700, 11543, 11900, 13580, 16490, 16660, 16975, 19012, 20825, 23086, 23765, 32980, 33950, 41225, 41650, 46172, 47530, 57715, 67900, 80801, 82450, 83300, 95060, 115430, 118825, 161602, 164900, 230860, 237650, 288575, 323204, 404005, 475300, 577150, 808010, 1154300, 1616020, 2020025, 4040050, 8080100]

約数ペア:

[(1, 8080100), (2, 4040050), (4, 2020025), (5, 1616020), (7, 1154300), (10, 808010), (14, 577150), (17, 475300), (20, 404005), (25, 323204), (28, 288575), (34, 237650), (35, 230860), (49, 164900), (50, 161602), (68, 118825), (70, 115430), (85, 95060), (97, 83300), (98, 82450), (100, 80801), (119, 67900), (140, 57715), (170, 47530), (175, 46172), (194, 41650), (196, 41225), (238, 33950), (245, 32980), (340, 23765), (350, 23086), (388, 20825), (425, 19012), (476, 16975), (485, 16660), (490, 16490), (595, 13580), (679, 11900), (700, 11543), (833, 9700), (850, 9506), (970, 8330), (980, 8245), (1190, 6790), (1225, 6596), (1358, 5950), (1649, 4900), (1666, 4850), (1700, 4753), (1940, 4165), (2380, 3395), (2425, 3332), (2450, 3298), (2716, 2975)]