172365620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{5521}}^1$

素因数の和:5760

約数の個数: 48

約数和(自身を含む): 415607808

約数和(自身を除く): 243242188

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 223, 446, 892, 1115, 1561, 2230, 3122, 4460, 5521, 6244, 7805, 11042, 15610, 22084, 27605, 31220, 38647, 55210, 77294, 110420, 154588, 193235, 386470, 772940, 1231183, 2462366, 4924732, 6155915, 8618281, 12311830, 17236562, 24623660, 34473124, 43091405, 86182810, 172365620]

約数ペア:

[(1, 172365620), (2, 86182810), (4, 43091405), (5, 34473124), (7, 24623660), (10, 17236562), (14, 12311830), (20, 8618281), (28, 6155915), (35, 4924732), (70, 2462366), (140, 1231183), (223, 772940), (446, 386470), (892, 193235), (1115, 154588), (1561, 110420), (2230, 77294), (3122, 55210), (4460, 38647), (5521, 31220), (6244, 27605), (7805, 22084), (11042, 15610)]