27909100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{397}}^1$

素因数の和:467

約数の個数: 72

約数和(自身を含む): 65638160

約数和(自身を除く): 37729060

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 37, 38, 50, 74, 76, 95, 100, 148, 185, 190, 370, 380, 397, 475, 703, 740, 794, 925, 950, 1406, 1588, 1850, 1900, 1985, 2812, 3515, 3700, 3970, 7030, 7543, 7940, 9925, 14060, 14689, 15086, 17575, 19850, 29378, 30172, 35150, 37715, 39700, 58756, 70300, 73445, 75430, 146890, 150860, 188575, 279091, 293780, 367225, 377150, 558182, 734450, 754300, 1116364, 1395455, 1468900, 2790910, 5581820, 6977275, 13954550, 27909100]

約数ペア:

[(1, 27909100), (2, 13954550), (4, 6977275), (5, 5581820), (10, 2790910), (19, 1468900), (20, 1395455), (25, 1116364), (37, 754300), (38, 734450), (50, 558182), (74, 377150), (76, 367225), (95, 293780), (100, 279091), (148, 188575), (185, 150860), (190, 146890), (370, 75430), (380, 73445), (397, 70300), (475, 58756), (703, 39700), (740, 37715), (794, 35150), (925, 30172), (950, 29378), (1406, 19850), (1588, 17575), (1850, 15086), (1900, 14689), (1985, 14060), (2812, 9925), (3515, 7940), (3700, 7543), (3970, 7030)]