200969840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{1213}}^1$

素因数の和:1354

約数の個数: 80

約数和(自身を含む): 496768800

約数和(自身を除く): 295798960

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 109, 152, 190, 218, 304, 380, 436, 545, 760, 872, 1090, 1213, 1520, 1744, 2071, 2180, 2426, 4142, 4360, 4852, 6065, 8284, 8720, 9704, 10355, 12130, 16568, 19408, 20710, 23047, 24260, 33136, 41420, 46094, 48520, 82840, 92188, 97040, 115235, 132217, 165680, 184376, 230470, 264434, 368752, 460940, 528868, 661085, 921880, 1057736, 1322170, 1843760, 2115472, 2512123, 2644340, 5024246, 5288680, 10048492, 10577360, 12560615, 20096984, 25121230, 40193968, 50242460, 100484920, 200969840]

約数ペア:

[(1, 200969840), (2, 100484920), (4, 50242460), (5, 40193968), (8, 25121230), (10, 20096984), (16, 12560615), (19, 10577360), (20, 10048492), (38, 5288680), (40, 5024246), (76, 2644340), (80, 2512123), (95, 2115472), (109, 1843760), (152, 1322170), (190, 1057736), (218, 921880), (304, 661085), (380, 528868), (436, 460940), (545, 368752), (760, 264434), (872, 230470), (1090, 184376), (1213, 165680), (1520, 132217), (1744, 115235), (2071, 97040), (2180, 92188), (2426, 82840), (4142, 48520), (4360, 46094), (4852, 41420), (6065, 33136), (8284, 24260), (8720, 23047), (9704, 20710), (10355, 19408), (12130, 16568)]