668814700

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^2\times {\mathrm{47}}^1\times {\mathrm{269}}^1$

素因数の和:376

約数の個数: 108

約数和(自身を含む): 1555212960

約数和(自身を除く): 886398260

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 47, 50, 92, 94, 100, 115, 188, 230, 235, 269, 460, 470, 529, 538, 575, 940, 1058, 1076, 1081, 1150, 1175, 1345, 2116, 2162, 2300, 2350, 2645, 2690, 4324, 4700, 5290, 5380, 5405, 6187, 6725, 10580, 10810, 12374, 12643, 13225, 13450, 21620, 24748, 24863, 25286, 26450, 26900, 27025, 30935, 49726, 50572, 52900, 54050, 61870, 63215, 99452, 108100, 123740, 124315, 126430, 142301, 154675, 248630, 252860, 284602, 290789, 309350, 316075, 497260, 569204, 581578, 618700, 621575, 632150, 711505, 1163156, 1243150, 1264300, 1423010, 1453945, 2486300, 2846020, 2907890, 3557525, 5815780, 6688147, 7115050, 7269725, 13376294, 14230100, 14539450, 26752588, 29078900, 33440735, 66881470, 133762940, 167203675, 334407350, 668814700]

約数ペア:

[(1, 668814700), (2, 334407350), (4, 167203675), (5, 133762940), (10, 66881470), (20, 33440735), (23, 29078900), (25, 26752588), (46, 14539450), (47, 14230100), (50, 13376294), (92, 7269725), (94, 7115050), (100, 6688147), (115, 5815780), (188, 3557525), (230, 2907890), (235, 2846020), (269, 2486300), (460, 1453945), (470, 1423010), (529, 1264300), (538, 1243150), (575, 1163156), (940, 711505), (1058, 632150), (1076, 621575), (1081, 618700), (1150, 581578), (1175, 569204), (1345, 497260), (2116, 316075), (2162, 309350), (2300, 290789), (2350, 284602), (2645, 252860), (2690, 248630), (4324, 154675), (4700, 142301), (5290, 126430), (5380, 124315), (5405, 123740), (6187, 108100), (6725, 99452), (10580, 63215), (10810, 61870), (12374, 54050), (12643, 52900), (13225, 50572), (13450, 49726), (21620, 30935), (24748, 27025), (24863, 26900), (25286, 26450)]