38874640

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{211}}^1$

素因数の和:285

約数の個数: 120

約数和(自身を含む): 107885952

約数和(自身を除く): 69011312

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 47, 49, 56, 70, 80, 94, 98, 112, 140, 188, 196, 211, 235, 245, 280, 329, 376, 392, 422, 470, 490, 560, 658, 752, 784, 844, 940, 980, 1055, 1316, 1477, 1645, 1688, 1880, 1960, 2110, 2303, 2632, 2954, 3290, 3376, 3760, 3920, 4220, 4606, 5264, 5908, 6580, 7385, 8440, 9212, 9917, 10339, 11515, 11816, 13160, 14770, 16880, 18424, 19834, 20678, 23030, 23632, 26320, 29540, 36848, 39668, 41356, 46060, 49585, 51695, 59080, 69419, 79336, 82712, 92120, 99170, 103390, 118160, 138838, 158672, 165424, 184240, 198340, 206780, 277676, 347095, 396680, 413560, 485933, 555352, 694190, 793360, 827120, 971866, 1110704, 1388380, 1943732, 2429665, 2776760, 3887464, 4859330, 5553520, 7774928, 9718660, 19437320, 38874640]

約数ペア:

[(1, 38874640), (2, 19437320), (4, 9718660), (5, 7774928), (7, 5553520), (8, 4859330), (10, 3887464), (14, 2776760), (16, 2429665), (20, 1943732), (28, 1388380), (35, 1110704), (40, 971866), (47, 827120), (49, 793360), (56, 694190), (70, 555352), (80, 485933), (94, 413560), (98, 396680), (112, 347095), (140, 277676), (188, 206780), (196, 198340), (211, 184240), (235, 165424), (245, 158672), (280, 138838), (329, 118160), (376, 103390), (392, 99170), (422, 92120), (470, 82712), (490, 79336), (560, 69419), (658, 59080), (752, 51695), (784, 49585), (844, 46060), (940, 41356), (980, 39668), (1055, 36848), (1316, 29540), (1477, 26320), (1645, 23632), (1688, 23030), (1880, 20678), (1960, 19834), (2110, 18424), (2303, 16880), (2632, 14770), (2954, 13160), (3290, 11816), (3376, 11515), (3760, 10339), (3920, 9917), (4220, 9212), (4606, 8440), (5264, 7385), (5908, 6580)]