199789040

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{9871}}^1$

素因数の和:9918

約数の個数: 80

約数和(自身を含む): 528823296

約数和(自身を除く): 329034256

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 40, 44, 46, 55, 80, 88, 92, 110, 115, 176, 184, 220, 230, 253, 368, 440, 460, 506, 880, 920, 1012, 1265, 1840, 2024, 2530, 4048, 5060, 9871, 10120, 19742, 20240, 39484, 49355, 78968, 98710, 108581, 157936, 197420, 217162, 227033, 394840, 434324, 454066, 542905, 789680, 868648, 908132, 1085810, 1135165, 1737296, 1816264, 2171620, 2270330, 2497363, 3632528, 4343240, 4540660, 4994726, 8686480, 9081320, 9989452, 12486815, 18162640, 19978904, 24973630, 39957808, 49947260, 99894520, 199789040]

約数ペア:

[(1, 199789040), (2, 99894520), (4, 49947260), (5, 39957808), (8, 24973630), (10, 19978904), (11, 18162640), (16, 12486815), (20, 9989452), (22, 9081320), (23, 8686480), (40, 4994726), (44, 4540660), (46, 4343240), (55, 3632528), (80, 2497363), (88, 2270330), (92, 2171620), (110, 1816264), (115, 1737296), (176, 1135165), (184, 1085810), (220, 908132), (230, 868648), (253, 789680), (368, 542905), (440, 454066), (460, 434324), (506, 394840), (880, 227033), (920, 217162), (1012, 197420), (1265, 157936), (1840, 108581), (2024, 98710), (2530, 78968), (4048, 49355), (5060, 39484), (9871, 20240), (10120, 19742)]