28190300

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{401}}^1$

素因数の和:471

約数の個数: 72

約数和(自身を含む): 66297840

約数和(自身を除く): 38107540

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 37, 38, 50, 74, 76, 95, 100, 148, 185, 190, 370, 380, 401, 475, 703, 740, 802, 925, 950, 1406, 1604, 1850, 1900, 2005, 2812, 3515, 3700, 4010, 7030, 7619, 8020, 10025, 14060, 14837, 15238, 17575, 20050, 29674, 30476, 35150, 38095, 40100, 59348, 70300, 74185, 76190, 148370, 152380, 190475, 281903, 296740, 370925, 380950, 563806, 741850, 761900, 1127612, 1409515, 1483700, 2819030, 5638060, 7047575, 14095150, 28190300]

約数ペア:

[(1, 28190300), (2, 14095150), (4, 7047575), (5, 5638060), (10, 2819030), (19, 1483700), (20, 1409515), (25, 1127612), (37, 761900), (38, 741850), (50, 563806), (74, 380950), (76, 370925), (95, 296740), (100, 281903), (148, 190475), (185, 152380), (190, 148370), (370, 76190), (380, 74185), (401, 70300), (475, 59348), (703, 40100), (740, 38095), (802, 35150), (925, 30476), (950, 29674), (1406, 20050), (1604, 17575), (1850, 15238), (1900, 14837), (2005, 14060), (2812, 10025), (3515, 8020), (3700, 7619), (4010, 7030)]