31004200

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1$

素因数の和:275

約数の個数: 96

約数和(自身を含む): 78120000

約数和(自身を除く): 47115800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 41, 50, 76, 82, 95, 100, 152, 164, 190, 199, 200, 205, 328, 380, 398, 410, 475, 760, 779, 796, 820, 950, 995, 1025, 1558, 1592, 1640, 1900, 1990, 2050, 3116, 3781, 3800, 3895, 3980, 4100, 4975, 6232, 7562, 7790, 7960, 8159, 8200, 9950, 15124, 15580, 16318, 18905, 19475, 19900, 30248, 31160, 32636, 37810, 38950, 39800, 40795, 65272, 75620, 77900, 81590, 94525, 151240, 155021, 155800, 163180, 189050, 203975, 310042, 326360, 378100, 407950, 620084, 756200, 775105, 815900, 1240168, 1550210, 1631800, 3100420, 3875525, 6200840, 7751050, 15502100, 31004200]

約数ペア:

[(1, 31004200), (2, 15502100), (4, 7751050), (5, 6200840), (8, 3875525), (10, 3100420), (19, 1631800), (20, 1550210), (25, 1240168), (38, 815900), (40, 775105), (41, 756200), (50, 620084), (76, 407950), (82, 378100), (95, 326360), (100, 310042), (152, 203975), (164, 189050), (190, 163180), (199, 155800), (200, 155021), (205, 151240), (328, 94525), (380, 81590), (398, 77900), (410, 75620), (475, 65272), (760, 40795), (779, 39800), (796, 38950), (820, 37810), (950, 32636), (995, 31160), (1025, 30248), (1558, 19900), (1592, 19475), (1640, 18905), (1900, 16318), (1990, 15580), (2050, 15124), (3116, 9950), (3781, 8200), (3800, 8159), (3895, 7960), (3980, 7790), (4100, 7562), (4975, 6232)]