15958100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{227}}^1$

素因数の和:297

約数の個数: 72

約数和(自身を含む): 37601760

約数和(自身を除く): 21643660

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 37, 38, 50, 74, 76, 95, 100, 148, 185, 190, 227, 370, 380, 454, 475, 703, 740, 908, 925, 950, 1135, 1406, 1850, 1900, 2270, 2812, 3515, 3700, 4313, 4540, 5675, 7030, 8399, 8626, 11350, 14060, 16798, 17252, 17575, 21565, 22700, 33596, 35150, 41995, 43130, 70300, 83990, 86260, 107825, 159581, 167980, 209975, 215650, 319162, 419950, 431300, 638324, 797905, 839900, 1595810, 3191620, 3989525, 7979050, 15958100]

約数ペア:

[(1, 15958100), (2, 7979050), (4, 3989525), (5, 3191620), (10, 1595810), (19, 839900), (20, 797905), (25, 638324), (37, 431300), (38, 419950), (50, 319162), (74, 215650), (76, 209975), (95, 167980), (100, 159581), (148, 107825), (185, 86260), (190, 83990), (227, 70300), (370, 43130), (380, 41995), (454, 35150), (475, 33596), (703, 22700), (740, 21565), (908, 17575), (925, 17252), (950, 16798), (1135, 14060), (1406, 11350), (1850, 8626), (1900, 8399), (2270, 7030), (2812, 5675), (3515, 4540), (3700, 4313)]