28689050

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1$

素因数の和:168

約数の個数: 96

約数和(自身を含む): 63745920

約数和(自身を除く): 35056870

約数列:

[1, 2, 5, 10, 13, 19, 23, 25, 26, 38, 46, 50, 65, 95, 101, 115, 130, 190, 202, 230, 247, 299, 325, 437, 475, 494, 505, 575, 598, 650, 874, 950, 1010, 1150, 1235, 1313, 1495, 1919, 2185, 2323, 2470, 2525, 2626, 2990, 3838, 4370, 4646, 5050, 5681, 6175, 6565, 7475, 9595, 10925, 11362, 11615, 12350, 13130, 14950, 19190, 21850, 23230, 24947, 28405, 30199, 32825, 44137, 47975, 49894, 56810, 58075, 60398, 65650, 88274, 95950, 116150, 124735, 142025, 150995, 220685, 249470, 284050, 301990, 441370, 573781, 623675, 754975, 1103425, 1147562, 1247350, 1509950, 2206850, 2868905, 5737810, 14344525, 28689050]

約数ペア:

[(1, 28689050), (2, 14344525), (5, 5737810), (10, 2868905), (13, 2206850), (19, 1509950), (23, 1247350), (25, 1147562), (26, 1103425), (38, 754975), (46, 623675), (50, 573781), (65, 441370), (95, 301990), (101, 284050), (115, 249470), (130, 220685), (190, 150995), (202, 142025), (230, 124735), (247, 116150), (299, 95950), (325, 88274), (437, 65650), (475, 60398), (494, 58075), (505, 56810), (575, 49894), (598, 47975), (650, 44137), (874, 32825), (950, 30199), (1010, 28405), (1150, 24947), (1235, 23230), (1313, 21850), (1495, 19190), (1919, 14950), (2185, 13130), (2323, 12350), (2470, 11615), (2525, 11362), (2626, 10925), (2990, 9595), (3838, 7475), (4370, 6565), (4646, 6175), (5050, 5681)]