17401880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{163}}^1$

素因数の和:348

約数の個数: 64

約数和(自身を含む): 41977440

約数和(自身を除く): 24575560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 157, 163, 170, 314, 326, 340, 628, 652, 680, 785, 815, 1256, 1304, 1570, 1630, 2669, 2771, 3140, 3260, 5338, 5542, 6280, 6520, 10676, 11084, 13345, 13855, 21352, 22168, 25591, 26690, 27710, 51182, 53380, 55420, 102364, 106760, 110840, 127955, 204728, 255910, 435047, 511820, 870094, 1023640, 1740188, 2175235, 3480376, 4350470, 8700940, 17401880]

約数ペア:

[(1, 17401880), (2, 8700940), (4, 4350470), (5, 3480376), (8, 2175235), (10, 1740188), (17, 1023640), (20, 870094), (34, 511820), (40, 435047), (68, 255910), (85, 204728), (136, 127955), (157, 110840), (163, 106760), (170, 102364), (314, 55420), (326, 53380), (340, 51182), (628, 27710), (652, 26690), (680, 25591), (785, 22168), (815, 21352), (1256, 13855), (1304, 13345), (1570, 11084), (1630, 10676), (2669, 6520), (2771, 6280), (3140, 5542), (3260, 5338)]