194893960

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{1249}}^1$

素因数の和:1390

約数の個数: 64

約数和(自身を含む): 453600000

約数和(自身を除く): 258706040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 83, 94, 166, 188, 235, 332, 376, 415, 470, 664, 830, 940, 1249, 1660, 1880, 2498, 3320, 3901, 4996, 6245, 7802, 9992, 12490, 15604, 19505, 24980, 31208, 39010, 49960, 58703, 78020, 103667, 117406, 156040, 207334, 234812, 293515, 414668, 469624, 518335, 587030, 829336, 1036670, 1174060, 2073340, 2348120, 4146680, 4872349, 9744698, 19489396, 24361745, 38978792, 48723490, 97446980, 194893960]

約数ペア:

[(1, 194893960), (2, 97446980), (4, 48723490), (5, 38978792), (8, 24361745), (10, 19489396), (20, 9744698), (40, 4872349), (47, 4146680), (83, 2348120), (94, 2073340), (166, 1174060), (188, 1036670), (235, 829336), (332, 587030), (376, 518335), (415, 469624), (470, 414668), (664, 293515), (830, 234812), (940, 207334), (1249, 156040), (1660, 117406), (1880, 103667), (2498, 78020), (3320, 58703), (3901, 49960), (4996, 39010), (6245, 31208), (7802, 24980), (9992, 19505), (12490, 15604)]