8700940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{163}}^1$

素因数の和:346

約数の個数: 48

約数和(自身を含む): 19589472

約数和(自身を除く): 10888532

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 157, 163, 170, 314, 326, 340, 628, 652, 785, 815, 1570, 1630, 2669, 2771, 3140, 3260, 5338, 5542, 10676, 11084, 13345, 13855, 25591, 26690, 27710, 51182, 53380, 55420, 102364, 127955, 255910, 435047, 511820, 870094, 1740188, 2175235, 4350470, 8700940]

約数ペア:

[(1, 8700940), (2, 4350470), (4, 2175235), (5, 1740188), (10, 870094), (17, 511820), (20, 435047), (34, 255910), (68, 127955), (85, 102364), (157, 55420), (163, 53380), (170, 51182), (314, 27710), (326, 26690), (340, 25591), (628, 13855), (652, 13345), (785, 11084), (815, 10676), (1570, 5542), (1630, 5338), (2669, 3260), (2771, 3140)]