209528450

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{179}}^1\times {\mathrm{571}}^1$

素因数の和:803

約数の個数: 48

約数和(自身を含む): 402161760

約数和(自身を除く): 192633310

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 179, 205, 358, 410, 571, 895, 1025, 1142, 1790, 2050, 2855, 4475, 5710, 7339, 8950, 14275, 14678, 23411, 28550, 36695, 46822, 73390, 102209, 117055, 183475, 204418, 234110, 366950, 511045, 585275, 1022090, 1170550, 2555225, 4190569, 5110450, 8381138, 20952845, 41905690, 104764225, 209528450]

約数ペア:

[(1, 209528450), (2, 104764225), (5, 41905690), (10, 20952845), (25, 8381138), (41, 5110450), (50, 4190569), (82, 2555225), (179, 1170550), (205, 1022090), (358, 585275), (410, 511045), (571, 366950), (895, 234110), (1025, 204418), (1142, 183475), (1790, 117055), (2050, 102209), (2855, 73390), (4475, 46822), (5710, 36695), (7339, 28550), (8950, 23411), (14275, 14678)]