142408120

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1\times {\mathrm{359}}^1$

素因数の和:628

約数の個数: 64

約数和(自身を含む): 329702400

約数和(自身を除く): 187294280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 211, 235, 359, 376, 422, 470, 718, 844, 940, 1055, 1436, 1688, 1795, 1880, 2110, 2872, 3590, 4220, 7180, 8440, 9917, 14360, 16873, 19834, 33746, 39668, 49585, 67492, 75749, 79336, 84365, 99170, 134984, 151498, 168730, 198340, 302996, 337460, 378745, 396680, 605992, 674920, 757490, 1514980, 3029960, 3560203, 7120406, 14240812, 17801015, 28481624, 35602030, 71204060, 142408120]

約数ペア:

[(1, 142408120), (2, 71204060), (4, 35602030), (5, 28481624), (8, 17801015), (10, 14240812), (20, 7120406), (40, 3560203), (47, 3029960), (94, 1514980), (188, 757490), (211, 674920), (235, 605992), (359, 396680), (376, 378745), (422, 337460), (470, 302996), (718, 198340), (844, 168730), (940, 151498), (1055, 134984), (1436, 99170), (1688, 84365), (1795, 79336), (1880, 75749), (2110, 67492), (2872, 49585), (3590, 39668), (4220, 33746), (7180, 19834), (8440, 16873), (9917, 14360)]