129135320

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{461}}^1$

素因数の和:668

約数の個数: 64

約数和(自身を含む): 299376000

約数和(自身を除く): 170240680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 149, 188, 235, 298, 376, 461, 470, 596, 745, 922, 940, 1192, 1490, 1844, 1880, 2305, 2980, 3688, 4610, 5960, 7003, 9220, 14006, 18440, 21667, 28012, 35015, 43334, 56024, 68689, 70030, 86668, 108335, 137378, 140060, 173336, 216670, 274756, 280120, 343445, 433340, 549512, 686890, 866680, 1373780, 2747560, 3228383, 6456766, 12913532, 16141915, 25827064, 32283830, 64567660, 129135320]

約数ペア:

[(1, 129135320), (2, 64567660), (4, 32283830), (5, 25827064), (8, 16141915), (10, 12913532), (20, 6456766), (40, 3228383), (47, 2747560), (94, 1373780), (149, 866680), (188, 686890), (235, 549512), (298, 433340), (376, 343445), (461, 280120), (470, 274756), (596, 216670), (745, 173336), (922, 140060), (940, 137378), (1192, 108335), (1490, 86668), (1844, 70030), (1880, 68689), (2305, 56024), (2980, 43334), (3688, 35015), (4610, 28012), (5960, 21667), (7003, 18440), (9220, 14006)]