28100940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2909}}^1$

素因数の和:2951

約数の個数: 96

約数和(自身を含む): 93864960

約数和(自身を除く): 65764020

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 60, 69, 70, 84, 92, 105, 115, 138, 140, 161, 210, 230, 276, 322, 345, 420, 460, 483, 644, 690, 805, 966, 1380, 1610, 1932, 2415, 2909, 3220, 4830, 5818, 8727, 9660, 11636, 14545, 17454, 20363, 29090, 34908, 40726, 43635, 58180, 61089, 66907, 81452, 87270, 101815, 122178, 133814, 174540, 200721, 203630, 244356, 267628, 305445, 334535, 401442, 407260, 468349, 610890, 669070, 802884, 936698, 1003605, 1221780, 1338140, 1405047, 1873396, 2007210, 2341745, 2810094, 4014420, 4683490, 5620188, 7025235, 9366980, 14050470, 28100940]

約数ペア:

[(1, 28100940), (2, 14050470), (3, 9366980), (4, 7025235), (5, 5620188), (6, 4683490), (7, 4014420), (10, 2810094), (12, 2341745), (14, 2007210), (15, 1873396), (20, 1405047), (21, 1338140), (23, 1221780), (28, 1003605), (30, 936698), (35, 802884), (42, 669070), (46, 610890), (60, 468349), (69, 407260), (70, 401442), (84, 334535), (92, 305445), (105, 267628), (115, 244356), (138, 203630), (140, 200721), (161, 174540), (210, 133814), (230, 122178), (276, 101815), (322, 87270), (345, 81452), (420, 66907), (460, 61089), (483, 58180), (644, 43635), (690, 40726), (805, 34908), (966, 29090), (1380, 20363), (1610, 17454), (1932, 14545), (2415, 11636), (2909, 9660), (3220, 8727), (4830, 5818)]