258558280

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{1657}}^1$

素因数の和:1798

約数の個数: 64

約数和(自身を含む): 601655040

約数和(自身を除く): 343096760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 83, 94, 166, 188, 235, 332, 376, 415, 470, 664, 830, 940, 1657, 1660, 1880, 3314, 3320, 3901, 6628, 7802, 8285, 13256, 15604, 16570, 19505, 31208, 33140, 39010, 66280, 77879, 78020, 137531, 155758, 156040, 275062, 311516, 389395, 550124, 623032, 687655, 778790, 1100248, 1375310, 1557580, 2750620, 3115160, 5501240, 6463957, 12927914, 25855828, 32319785, 51711656, 64639570, 129279140, 258558280]

約数ペア:

[(1, 258558280), (2, 129279140), (4, 64639570), (5, 51711656), (8, 32319785), (10, 25855828), (20, 12927914), (40, 6463957), (47, 5501240), (83, 3115160), (94, 2750620), (166, 1557580), (188, 1375310), (235, 1100248), (332, 778790), (376, 687655), (415, 623032), (470, 550124), (664, 389395), (830, 311516), (940, 275062), (1657, 156040), (1660, 155758), (1880, 137531), (3314, 78020), (3320, 77879), (3901, 66280), (6628, 39010), (7802, 33140), (8285, 31208), (13256, 19505), (15604, 16570)]