1991959.00000000

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1$

素因数の和:278

約数の個数: 96

約数和(自身を含む): 120403584

約数和(自身を除く): 72449504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 83, 92, 115, 157, 160, 166, 184, 230, 314, 332, 368, 415, 460, 628, 664, 736, 785, 830, 920, 1256, 1328, 1570, 1660, 1840, 1909, 2512, 2656, 3140, 3320, 3611, 3680, 3818, 5024, 6280, 6640, 7222, 7636, 9545, 12560, 13031, 13280, 14444, 15272, 18055, 19090, 25120, 26062, 28888, 30544, 36110, 38180, 52124, 57776, 61088, 65155, 72220, 76360, 104248, 115552, 130310, 144440, 152720, 208496, 260620, 288880, 299713, 305440, 416992, 521240, 577760, 599426, 1042480, 1198852, 1498565, 2084960, 2397704, 2997130, 4795408, 5994260, 9590816, 11988520, 23977040, 47954080]

約数ペア:

[(1, 47954080), (2, 23977040), (4, 11988520), (5, 9590816), (8, 5994260), (10, 4795408), (16, 2997130), (20, 2397704), (23, 2084960), (32, 1498565), (40, 1198852), (46, 1042480), (80, 599426), (83, 577760), (92, 521240), (115, 416992), (157, 305440), (160, 299713), (166, 288880), (184, 260620), (230, 208496), (314, 152720), (332, 144440), (368, 130310), (415, 115552), (460, 104248), (628, 76360), (664, 72220), (736, 65155), (785, 61088), (830, 57776), (920, 52124), (1256, 38180), (1328, 36110), (1570, 30544), (1660, 28888), (1840, 26062), (1909, 25120), (2512, 19090), (2656, 18055), (3140, 15272), (3320, 14444), (3611, 13280), (3680, 13031), (3818, 12560), (5024, 9545), (6280, 7636), (6640, 7222)]