72072500

素因数分解:

$2^2\times 5^4\times {\mathrm{127}}^1\times {\mathrm{227}}^1$

素因数の和:378

約数の個数: 60

約数和(自身を含む): 159548928

約数和(自身を除く): 87476428

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 127, 227, 250, 254, 454, 500, 508, 625, 635, 908, 1135, 1250, 1270, 2270, 2500, 2540, 3175, 4540, 5675, 6350, 11350, 12700, 15875, 22700, 28375, 28829, 31750, 56750, 57658, 63500, 79375, 113500, 115316, 141875, 144145, 158750, 283750, 288290, 317500, 567500, 576580, 720725, 1441450, 2882900, 3603625, 7207250, 14414500, 18018125, 36036250, 72072500]

約数ペア:

[(1, 72072500), (2, 36036250), (4, 18018125), (5, 14414500), (10, 7207250), (20, 3603625), (25, 2882900), (50, 1441450), (100, 720725), (125, 576580), (127, 567500), (227, 317500), (250, 288290), (254, 283750), (454, 158750), (500, 144145), (508, 141875), (625, 115316), (635, 113500), (908, 79375), (1135, 63500), (1250, 57658), (1270, 56750), (2270, 31750), (2500, 28829), (2540, 28375), (3175, 22700), (4540, 15875), (5675, 12700), (6350, 11350)]