12372500

素因数分解:

$2^2\times 5^4\times 7^2\times {\mathrm{101}}^1$

素因数の和:139

約数の個数: 90

約数和(自身を含む): 31785138

約数和(自身を除く): 19412638

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 101, 125, 140, 175, 196, 202, 245, 250, 350, 404, 490, 500, 505, 625, 700, 707, 875, 980, 1010, 1225, 1250, 1414, 1750, 2020, 2450, 2500, 2525, 2828, 3500, 3535, 4375, 4900, 4949, 5050, 6125, 7070, 8750, 9898, 10100, 12250, 12625, 14140, 17500, 17675, 19796, 24500, 24745, 25250, 30625, 35350, 49490, 50500, 61250, 63125, 70700, 88375, 98980, 122500, 123725, 126250, 176750, 247450, 252500, 353500, 441875, 494900, 618625, 883750, 1237250, 1767500, 2474500, 3093125, 6186250, 12372500]

約数ペア:

[(1, 12372500), (2, 6186250), (4, 3093125), (5, 2474500), (7, 1767500), (10, 1237250), (14, 883750), (20, 618625), (25, 494900), (28, 441875), (35, 353500), (49, 252500), (50, 247450), (70, 176750), (98, 126250), (100, 123725), (101, 122500), (125, 98980), (140, 88375), (175, 70700), (196, 63125), (202, 61250), (245, 50500), (250, 49490), (350, 35350), (404, 30625), (490, 25250), (500, 24745), (505, 24500), (625, 19796), (700, 17675), (707, 17500), (875, 14140), (980, 12625), (1010, 12250), (1225, 10100), (1250, 9898), (1414, 8750), (1750, 7070), (2020, 6125), (2450, 5050), (2500, 4949), (2525, 4900), (2828, 4375), (3500, 3535)]