42590020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{443}}^1$

素因数の和:505

約数の個数: 96

約数和(自身を含む): 107412480

約数和(自身を除く): 64822460

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 23, 38, 44, 46, 55, 76, 92, 95, 110, 115, 190, 209, 220, 230, 253, 380, 418, 437, 443, 460, 506, 836, 874, 886, 1012, 1045, 1265, 1748, 1772, 2090, 2185, 2215, 2530, 4180, 4370, 4430, 4807, 4873, 5060, 8417, 8740, 8860, 9614, 9746, 10189, 16834, 19228, 19492, 20378, 24035, 24365, 33668, 40756, 42085, 48070, 48730, 50945, 84170, 92587, 96140, 97460, 101890, 112079, 168340, 185174, 193591, 203780, 224158, 370348, 387182, 448316, 462935, 560395, 774364, 925870, 967955, 1120790, 1851740, 1935910, 2129501, 2241580, 3871820, 4259002, 8518004, 10647505, 21295010, 42590020]

約数ペア:

[(1, 42590020), (2, 21295010), (4, 10647505), (5, 8518004), (10, 4259002), (11, 3871820), (19, 2241580), (20, 2129501), (22, 1935910), (23, 1851740), (38, 1120790), (44, 967955), (46, 925870), (55, 774364), (76, 560395), (92, 462935), (95, 448316), (110, 387182), (115, 370348), (190, 224158), (209, 203780), (220, 193591), (230, 185174), (253, 168340), (380, 112079), (418, 101890), (437, 97460), (443, 96140), (460, 92587), (506, 84170), (836, 50945), (874, 48730), (886, 48070), (1012, 42085), (1045, 40756), (1265, 33668), (1748, 24365), (1772, 24035), (2090, 20378), (2185, 19492), (2215, 19228), (2530, 16834), (4180, 10189), (4370, 9746), (4430, 9614), (4807, 8860), (4873, 8740), (5060, 8417)]