81558150

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{18749}}^1$

素因数の和:18793

約数の個数: 48

約数和(自身を含む): 209250000

約数和(自身を除く): 127691850

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 29, 30, 50, 58, 75, 87, 145, 150, 174, 290, 435, 725, 870, 1450, 2175, 4350, 18749, 37498, 56247, 93745, 112494, 187490, 281235, 468725, 543721, 562470, 937450, 1087442, 1406175, 1631163, 2718605, 2812350, 3262326, 5437210, 8155815, 13593025, 16311630, 27186050, 40779075, 81558150]

約数ペア:

[(1, 81558150), (2, 40779075), (3, 27186050), (5, 16311630), (6, 13593025), (10, 8155815), (15, 5437210), (25, 3262326), (29, 2812350), (30, 2718605), (50, 1631163), (58, 1406175), (75, 1087442), (87, 937450), (145, 562470), (150, 543721), (174, 468725), (290, 281235), (435, 187490), (725, 112494), (870, 93745), (1450, 56247), (2175, 37498), (4350, 18749)]