201977360

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{1237}}^1$

素因数の和:1420

約数の個数: 80

約数和(自身を含む): 509352816

約数和(自身を除く): 307375456

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 157, 208, 260, 314, 520, 628, 785, 1040, 1237, 1256, 1570, 2041, 2474, 2512, 3140, 4082, 4948, 6185, 6280, 8164, 9896, 10205, 12370, 12560, 16081, 16328, 19792, 20410, 24740, 32162, 32656, 40820, 49480, 64324, 80405, 81640, 98960, 128648, 160810, 163280, 194209, 257296, 321620, 388418, 643240, 776836, 971045, 1286480, 1553672, 1942090, 2524717, 3107344, 3884180, 5049434, 7768360, 10098868, 12623585, 15536720, 20197736, 25247170, 40395472, 50494340, 100988680, 201977360]

約数ペア:

[(1, 201977360), (2, 100988680), (4, 50494340), (5, 40395472), (8, 25247170), (10, 20197736), (13, 15536720), (16, 12623585), (20, 10098868), (26, 7768360), (40, 5049434), (52, 3884180), (65, 3107344), (80, 2524717), (104, 1942090), (130, 1553672), (157, 1286480), (208, 971045), (260, 776836), (314, 643240), (520, 388418), (628, 321620), (785, 257296), (1040, 194209), (1237, 163280), (1256, 160810), (1570, 128648), (2041, 98960), (2474, 81640), (2512, 80405), (3140, 64324), (4082, 49480), (4948, 40820), (6185, 32656), (6280, 32162), (8164, 24740), (9896, 20410), (10205, 19792), (12370, 16328), (12560, 16081)]