555916840

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{277}}^1\times {\mathrm{383}}^1$

素因数の和:802

約数の個数: 64

約数和(自身を含む): 1268213760

約数和(自身を除く): 712296920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 277, 383, 524, 554, 655, 766, 1048, 1108, 1310, 1385, 1532, 1915, 2216, 2620, 2770, 3064, 3830, 5240, 5540, 7660, 11080, 15320, 36287, 50173, 72574, 100346, 106091, 145148, 181435, 200692, 212182, 250865, 290296, 362870, 401384, 424364, 501730, 530455, 725740, 848728, 1003460, 1060910, 1451480, 2006920, 2121820, 4243640, 13897921, 27795842, 55591684, 69489605, 111183368, 138979210, 277958420, 555916840]

約数ペア:

[(1, 555916840), (2, 277958420), (4, 138979210), (5, 111183368), (8, 69489605), (10, 55591684), (20, 27795842), (40, 13897921), (131, 4243640), (262, 2121820), (277, 2006920), (383, 1451480), (524, 1060910), (554, 1003460), (655, 848728), (766, 725740), (1048, 530455), (1108, 501730), (1310, 424364), (1385, 401384), (1532, 362870), (1915, 290296), (2216, 250865), (2620, 212182), (2770, 200692), (3064, 181435), (3830, 145148), (5240, 106091), (5540, 100346), (7660, 72574), (11080, 50173), (15320, 36287)]