201979210

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{47}}^1\times {\mathrm{1487}}^1$

素因数の和:1575

約数の個数: 48

約数和(自身を含む): 394689024

約数和(自身を除く): 192709814

約数列:

[1, 2, 5, 10, 17, 34, 47, 85, 94, 170, 235, 289, 470, 578, 799, 1445, 1487, 1598, 2890, 2974, 3995, 7435, 7990, 13583, 14870, 25279, 27166, 50558, 67915, 69889, 126395, 135830, 139778, 252790, 349445, 429743, 698890, 859486, 1188113, 2148715, 2376226, 4297430, 5940565, 11881130, 20197921, 40395842, 100989605, 201979210]

約数ペア:

[(1, 201979210), (2, 100989605), (5, 40395842), (10, 20197921), (17, 11881130), (34, 5940565), (47, 4297430), (85, 2376226), (94, 2148715), (170, 1188113), (235, 859486), (289, 698890), (470, 429743), (578, 349445), (799, 252790), (1445, 139778), (1487, 135830), (1598, 126395), (2890, 69889), (2974, 67915), (3995, 50558), (7435, 27166), (7990, 25279), (13583, 14870)]