1320550

素因数分解:

$2^1\times 5^2\times 7^4\times {\mathrm{11}}^1$

素因数の和:51

約数の個数: 60

約数和(自身を含む): 3125916

約数和(自身を除く): 1805366

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 35, 49, 50, 55, 70, 77, 98, 110, 154, 175, 245, 275, 343, 350, 385, 490, 539, 550, 686, 770, 1078, 1225, 1715, 1925, 2401, 2450, 2695, 3430, 3773, 3850, 4802, 5390, 7546, 8575, 12005, 13475, 17150, 18865, 24010, 26411, 26950, 37730, 52822, 60025, 94325, 120050, 132055, 188650, 264110, 660275, 1320550]

約数ペア:

[(1, 1320550), (2, 660275), (5, 264110), (7, 188650), (10, 132055), (11, 120050), (14, 94325), (22, 60025), (25, 52822), (35, 37730), (49, 26950), (50, 26411), (55, 24010), (70, 18865), (77, 17150), (98, 13475), (110, 12005), (154, 8575), (175, 7546), (245, 5390), (275, 4802), (343, 3850), (350, 3773), (385, 3430), (490, 2695), (539, 2450), (550, 2401), (686, 1925), (770, 1715), (1078, 1225)]