31081400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{149}}^2$

素因数の和:321

約数の個数: 72

約数和(自身を含む): 83145720

約数和(自身を除く): 52064320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 149, 175, 200, 280, 298, 350, 596, 700, 745, 1043, 1192, 1400, 1490, 2086, 2980, 3725, 4172, 5215, 5960, 7450, 8344, 10430, 14900, 20860, 22201, 26075, 29800, 41720, 44402, 52150, 88804, 104300, 111005, 155407, 177608, 208600, 222010, 310814, 444020, 555025, 621628, 777035, 888040, 1110050, 1243256, 1554070, 2220100, 3108140, 3885175, 4440200, 6216280, 7770350, 15540700, 31081400]

約数ペア:

[(1, 31081400), (2, 15540700), (4, 7770350), (5, 6216280), (7, 4440200), (8, 3885175), (10, 3108140), (14, 2220100), (20, 1554070), (25, 1243256), (28, 1110050), (35, 888040), (40, 777035), (50, 621628), (56, 555025), (70, 444020), (100, 310814), (140, 222010), (149, 208600), (175, 177608), (200, 155407), (280, 111005), (298, 104300), (350, 88804), (596, 52150), (700, 44402), (745, 41720), (1043, 29800), (1192, 26075), (1400, 22201), (1490, 20860), (2086, 14900), (2980, 10430), (3725, 8344), (4172, 7450), (5215, 5960)]