15502100

素因数分解:

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

素因数の和:273

約数の個数: 72

約数和(自身を含む): 36456000

約数和(自身を除く): 20953900

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 41, 50, 76, 82, 95, 100, 164, 190, 199, 205, 380, 398, 410, 475, 779, 796, 820, 950, 995, 1025, 1558, 1900, 1990, 2050, 3116, 3781, 3895, 3980, 4100, 4975, 7562, 7790, 8159, 9950, 15124, 15580, 16318, 18905, 19475, 19900, 32636, 37810, 38950, 40795, 75620, 77900, 81590, 94525, 155021, 163180, 189050, 203975, 310042, 378100, 407950, 620084, 775105, 815900, 1550210, 3100420, 3875525, 7751050, 15502100]

約数ペア:

[(1, 15502100), (2, 7751050), (4, 3875525), (5, 3100420), (10, 1550210), (19, 815900), (20, 775105), (25, 620084), (38, 407950), (41, 378100), (50, 310042), (76, 203975), (82, 189050), (95, 163180), (100, 155021), (164, 94525), (190, 81590), (199, 77900), (205, 75620), (380, 40795), (398, 38950), (410, 37810), (475, 32636), (779, 19900), (796, 19475), (820, 18905), (950, 16318), (995, 15580), (1025, 15124), (1558, 9950), (1900, 8159), (1990, 7790), (2050, 7562), (3116, 4975), (3781, 4100), (3895, 3980)]