266391820

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{383}}^1\times {\mathrm{419}}^1$

素因数の和:894

約数の個数: 48

約数和(自身を含む): 568995840

約数和(自身を除く): 302604020

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 383, 415, 419, 766, 830, 838, 1532, 1660, 1676, 1915, 2095, 3830, 4190, 7660, 8380, 31789, 34777, 63578, 69554, 127156, 139108, 158945, 160477, 173885, 317890, 320954, 347770, 635780, 641908, 695540, 802385, 1604770, 3209540, 13319591, 26639182, 53278364, 66597955, 133195910, 266391820]

約数ペア:

[(1, 266391820), (2, 133195910), (4, 66597955), (5, 53278364), (10, 26639182), (20, 13319591), (83, 3209540), (166, 1604770), (332, 802385), (383, 695540), (415, 641908), (419, 635780), (766, 347770), (830, 320954), (838, 317890), (1532, 173885), (1660, 160477), (1676, 158945), (1915, 139108), (2095, 127156), (3830, 69554), (4190, 63578), (7660, 34777), (8380, 31789)]