204144920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{811}}^1$

素因数の和:889

約数の個数: 128

約数和(自身を含む): 561254400

約数和(自身を除く): 357109480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 31, 35, 40, 56, 58, 62, 70, 116, 124, 140, 145, 155, 203, 217, 232, 248, 280, 290, 310, 406, 434, 580, 620, 811, 812, 868, 899, 1015, 1085, 1160, 1240, 1622, 1624, 1736, 1798, 2030, 2170, 3244, 3596, 4055, 4060, 4340, 4495, 5677, 6293, 6488, 7192, 8110, 8120, 8680, 8990, 11354, 12586, 16220, 17980, 22708, 23519, 25141, 25172, 28385, 31465, 32440, 35960, 45416, 47038, 50282, 50344, 56770, 62930, 94076, 100564, 113540, 117595, 125705, 125860, 164633, 175987, 188152, 201128, 227080, 235190, 251410, 251720, 329266, 351974, 470380, 502820, 658532, 703948, 729089, 823165, 879935, 940760, 1005640, 1317064, 1407896, 1458178, 1646330, 1759870, 2916356, 3292660, 3519740, 3645445, 5103623, 5832712, 6585320, 7039480, 7290890, 10207246, 14581780, 20414492, 25518115, 29163560, 40828984, 51036230, 102072460, 204144920]

約数ペア:

[(1, 204144920), (2, 102072460), (4, 51036230), (5, 40828984), (7, 29163560), (8, 25518115), (10, 20414492), (14, 14581780), (20, 10207246), (28, 7290890), (29, 7039480), (31, 6585320), (35, 5832712), (40, 5103623), (56, 3645445), (58, 3519740), (62, 3292660), (70, 2916356), (116, 1759870), (124, 1646330), (140, 1458178), (145, 1407896), (155, 1317064), (203, 1005640), (217, 940760), (232, 879935), (248, 823165), (280, 729089), (290, 703948), (310, 658532), (406, 502820), (434, 470380), (580, 351974), (620, 329266), (811, 251720), (812, 251410), (868, 235190), (899, 227080), (1015, 201128), (1085, 188152), (1160, 175987), (1240, 164633), (1622, 125860), (1624, 125705), (1736, 117595), (1798, 113540), (2030, 100564), (2170, 94076), (3244, 62930), (3596, 56770), (4055, 50344), (4060, 50282), (4340, 47038), (4495, 45416), (5677, 35960), (6293, 32440), (6488, 31465), (7192, 28385), (8110, 25172), (8120, 25141), (8680, 23519), (8990, 22708), (11354, 17980), (12586, 16220)]