171100240

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{1297}}^1$

素因数の和:1424

約数の個数: 80

約数和(自身を含む): 425878992

約数和(自身を除く): 254778752

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 97, 136, 170, 194, 272, 340, 388, 485, 680, 776, 970, 1297, 1360, 1552, 1649, 1940, 2594, 3298, 3880, 5188, 6485, 6596, 7760, 8245, 10376, 12970, 13192, 16490, 20752, 22049, 25940, 26384, 32980, 44098, 51880, 65960, 88196, 103760, 110245, 125809, 131920, 176392, 220490, 251618, 352784, 440980, 503236, 629045, 881960, 1006472, 1258090, 1763920, 2012944, 2138753, 2516180, 4277506, 5032360, 8555012, 10064720, 10693765, 17110024, 21387530, 34220048, 42775060, 85550120, 171100240]

約数ペア:

[(1, 171100240), (2, 85550120), (4, 42775060), (5, 34220048), (8, 21387530), (10, 17110024), (16, 10693765), (17, 10064720), (20, 8555012), (34, 5032360), (40, 4277506), (68, 2516180), (80, 2138753), (85, 2012944), (97, 1763920), (136, 1258090), (170, 1006472), (194, 881960), (272, 629045), (340, 503236), (388, 440980), (485, 352784), (680, 251618), (776, 220490), (970, 176392), (1297, 131920), (1360, 125809), (1552, 110245), (1649, 103760), (1940, 88196), (2594, 65960), (3298, 51880), (3880, 44098), (5188, 32980), (6485, 26384), (6596, 25940), (7760, 22049), (8245, 20752), (10376, 16490), (12970, 13192)]