172740995

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:240

約数の個数: 64

約数和(自身を含む): 263160576

約数和(自身を除く): 90419581

約数列:

[1, 5, 7, 17, 35, 41, 73, 85, 97, 119, 205, 287, 365, 485, 511, 595, 679, 697, 1241, 1435, 1649, 2555, 2993, 3395, 3485, 3977, 4879, 6205, 7081, 8245, 8687, 11543, 14965, 19885, 20951, 24395, 27839, 35405, 43435, 49567, 50881, 57715, 67609, 104755, 120377, 139195, 247835, 254405, 290321, 338045, 356167, 473263, 601885, 842639, 1451605, 1780835, 2032247, 2366315, 4213195, 4935457, 10161235, 24677285, 34548199, 172740995]

約数ペア:

[(1, 172740995), (5, 34548199), (7, 24677285), (17, 10161235), (35, 4935457), (41, 4213195), (73, 2366315), (85, 2032247), (97, 1780835), (119, 1451605), (205, 842639), (287, 601885), (365, 473263), (485, 356167), (511, 338045), (595, 290321), (679, 254405), (697, 247835), (1241, 139195), (1435, 120377), (1649, 104755), (2555, 67609), (2993, 57715), (3395, 50881), (3485, 49567), (3977, 43435), (4879, 35405), (6205, 27839), (7081, 24395), (8245, 20951), (8687, 19885), (11543, 14965)]