72019420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{2897}}^1$

素因数の和:3030

約数の個数: 48

約数和(自身を含む): 166507488

約数和(自身を除く): 94488068

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 113, 220, 226, 452, 565, 1130, 1243, 2260, 2486, 2897, 4972, 5794, 6215, 11588, 12430, 14485, 24860, 28970, 31867, 57940, 63734, 127468, 159335, 318670, 327361, 637340, 654722, 1309444, 1636805, 3273610, 3600971, 6547220, 7201942, 14403884, 18004855, 36009710, 72019420]

約数ペア:

[(1, 72019420), (2, 36009710), (4, 18004855), (5, 14403884), (10, 7201942), (11, 6547220), (20, 3600971), (22, 3273610), (44, 1636805), (55, 1309444), (110, 654722), (113, 637340), (220, 327361), (226, 318670), (452, 159335), (565, 127468), (1130, 63734), (1243, 57940), (2260, 31867), (2486, 28970), (2897, 24860), (4972, 14485), (5794, 12430), (6215, 11588)]