90470800

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{409}}^1$

素因数の和:513

約数の個数: 120

約数和(自身を含む): 252166400

約数和(自身を除く): 161695600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 79, 80, 100, 112, 140, 158, 175, 200, 280, 316, 350, 395, 400, 409, 553, 560, 632, 700, 790, 818, 1106, 1264, 1400, 1580, 1636, 1975, 2045, 2212, 2765, 2800, 2863, 3160, 3272, 3950, 4090, 4424, 5530, 5726, 6320, 6544, 7900, 8180, 8848, 10225, 11060, 11452, 13825, 14315, 15800, 16360, 20450, 22120, 22904, 27650, 28630, 31600, 32311, 32720, 40900, 44240, 45808, 55300, 57260, 64622, 71575, 81800, 110600, 114520, 129244, 143150, 161555, 163600, 221200, 226177, 229040, 258488, 286300, 323110, 452354, 516976, 572600, 646220, 807775, 904708, 1130885, 1145200, 1292440, 1615550, 1809416, 2261770, 2584880, 3231100, 3618832, 4523540, 5654425, 6462200, 9047080, 11308850, 12924400, 18094160, 22617700, 45235400, 90470800]

約数ペア:

[(1, 90470800), (2, 45235400), (4, 22617700), (5, 18094160), (7, 12924400), (8, 11308850), (10, 9047080), (14, 6462200), (16, 5654425), (20, 4523540), (25, 3618832), (28, 3231100), (35, 2584880), (40, 2261770), (50, 1809416), (56, 1615550), (70, 1292440), (79, 1145200), (80, 1130885), (100, 904708), (112, 807775), (140, 646220), (158, 572600), (175, 516976), (200, 452354), (280, 323110), (316, 286300), (350, 258488), (395, 229040), (400, 226177), (409, 221200), (553, 163600), (560, 161555), (632, 143150), (700, 129244), (790, 114520), (818, 110600), (1106, 81800), (1264, 71575), (1400, 64622), (1580, 57260), (1636, 55300), (1975, 45808), (2045, 44240), (2212, 40900), (2765, 32720), (2800, 32311), (2863, 31600), (3160, 28630), (3272, 27650), (3950, 22904), (4090, 22120), (4424, 20450), (5530, 16360), (5726, 15800), (6320, 14315), (6544, 13825), (7900, 11452), (8180, 11060), (8848, 10225)]