804110000

素因数分解:

$2^4\times 5^4\times {\mathrm{191}}^1\times {\mathrm{421}}^1$

素因数の和:640

約数の個数: 100

約数和(自身を含む): 1961672064

約数和(自身を除く): 1157562064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 191, 200, 250, 382, 400, 421, 500, 625, 764, 842, 955, 1000, 1250, 1528, 1684, 1910, 2000, 2105, 2500, 3056, 3368, 3820, 4210, 4775, 5000, 6736, 7640, 8420, 9550, 10000, 10525, 15280, 16840, 19100, 21050, 23875, 33680, 38200, 42100, 47750, 52625, 76400, 80411, 84200, 95500, 105250, 119375, 160822, 168400, 191000, 210500, 238750, 263125, 321644, 382000, 402055, 421000, 477500, 526250, 643288, 804110, 842000, 955000, 1052500, 1286576, 1608220, 1910000, 2010275, 2105000, 3216440, 4020550, 4210000, 6432880, 8041100, 10051375, 16082200, 20102750, 32164400, 40205500, 50256875, 80411000, 100513750, 160822000, 201027500, 402055000, 804110000]

約数ペア:

[(1, 804110000), (2, 402055000), (4, 201027500), (5, 160822000), (8, 100513750), (10, 80411000), (16, 50256875), (20, 40205500), (25, 32164400), (40, 20102750), (50, 16082200), (80, 10051375), (100, 8041100), (125, 6432880), (191, 4210000), (200, 4020550), (250, 3216440), (382, 2105000), (400, 2010275), (421, 1910000), (500, 1608220), (625, 1286576), (764, 1052500), (842, 955000), (955, 842000), (1000, 804110), (1250, 643288), (1528, 526250), (1684, 477500), (1910, 421000), (2000, 402055), (2105, 382000), (2500, 321644), (3056, 263125), (3368, 238750), (3820, 210500), (4210, 191000), (4775, 168400), (5000, 160822), (6736, 119375), (7640, 105250), (8420, 95500), (9550, 84200), (10000, 80411), (10525, 76400), (15280, 52625), (16840, 47750), (19100, 42100), (21050, 38200), (23875, 33680)]