220100420

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{283}}^1\times {\mathrm{1051}}^1$

素因数の和:1380

約数の個数: 48

約数和(自身を含む): 476833728

約数和(自身を除く): 256733308

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 283, 370, 566, 740, 1051, 1132, 1415, 2102, 2830, 4204, 5255, 5660, 10471, 10510, 20942, 21020, 38887, 41884, 52355, 77774, 104710, 155548, 194435, 209420, 297433, 388870, 594866, 777740, 1189732, 1487165, 2974330, 5948660, 11005021, 22010042, 44020084, 55025105, 110050210, 220100420]

約数ペア:

[(1, 220100420), (2, 110050210), (4, 55025105), (5, 44020084), (10, 22010042), (20, 11005021), (37, 5948660), (74, 2974330), (148, 1487165), (185, 1189732), (283, 777740), (370, 594866), (566, 388870), (740, 297433), (1051, 209420), (1132, 194435), (1415, 155548), (2102, 104710), (2830, 77774), (4204, 52355), (5255, 41884), (5660, 38887), (10471, 21020), (10510, 20942)]