1300205000

素因数分解:

$2^3\times 5^4\times {\mathrm{443}}^1\times {\mathrm{587}}^1$

素因数の和:1056

約数の個数: 80

約数和(自身を含む): 3058458480

約数和(自身を除く): 1758253480

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 443, 500, 587, 625, 886, 1000, 1174, 1250, 1772, 2215, 2348, 2500, 2935, 3544, 4430, 4696, 5000, 5870, 8860, 11075, 11740, 14675, 17720, 22150, 23480, 29350, 44300, 55375, 58700, 73375, 88600, 110750, 117400, 146750, 221500, 260041, 276875, 293500, 366875, 443000, 520082, 553750, 587000, 733750, 1040164, 1107500, 1300205, 1467500, 2080328, 2215000, 2600410, 2935000, 5200820, 6501025, 10401640, 13002050, 26004100, 32505125, 52008200, 65010250, 130020500, 162525625, 260041000, 325051250, 650102500, 1300205000]

約数ペア:

[(1, 1300205000), (2, 650102500), (4, 325051250), (5, 260041000), (8, 162525625), (10, 130020500), (20, 65010250), (25, 52008200), (40, 32505125), (50, 26004100), (100, 13002050), (125, 10401640), (200, 6501025), (250, 5200820), (443, 2935000), (500, 2600410), (587, 2215000), (625, 2080328), (886, 1467500), (1000, 1300205), (1174, 1107500), (1250, 1040164), (1772, 733750), (2215, 587000), (2348, 553750), (2500, 520082), (2935, 443000), (3544, 366875), (4430, 293500), (4696, 276875), (5000, 260041), (5870, 221500), (8860, 146750), (11075, 117400), (11740, 110750), (14675, 88600), (17720, 73375), (22150, 58700), (23480, 55375), (29350, 44300)]