128528850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{20899}}^1$

素因数の和:20955

約数の個数: 48

約数和(自身を含む): 326541600

約数和(自身を除く): 198012750

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 41, 50, 75, 82, 123, 150, 205, 246, 410, 615, 1025, 1230, 2050, 3075, 6150, 20899, 41798, 62697, 104495, 125394, 208990, 313485, 522475, 626970, 856859, 1044950, 1567425, 1713718, 2570577, 3134850, 4284295, 5141154, 8568590, 12852885, 21421475, 25705770, 42842950, 64264425, 128528850]

約数ペア:

[(1, 128528850), (2, 64264425), (3, 42842950), (5, 25705770), (6, 21421475), (10, 12852885), (15, 8568590), (25, 5141154), (30, 4284295), (41, 3134850), (50, 2570577), (75, 1713718), (82, 1567425), (123, 1044950), (150, 856859), (205, 626970), (246, 522475), (410, 313485), (615, 208990), (1025, 125394), (1230, 104495), (2050, 62697), (3075, 41798), (6150, 20899)]