40782700

素因数分解:

$2^2\times 5^2\times 7^3\times {\mathrm{29}}^1\times {\mathrm{41}}^1$

素因数の和:105

約数の個数: 144

約数和(自身を含む): 109368000

約数和(自身を除く): 68585300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 29, 35, 41, 49, 50, 58, 70, 82, 98, 100, 116, 140, 145, 164, 175, 196, 203, 205, 245, 287, 290, 343, 350, 406, 410, 490, 574, 580, 686, 700, 725, 812, 820, 980, 1015, 1025, 1148, 1189, 1225, 1372, 1421, 1435, 1450, 1715, 2009, 2030, 2050, 2378, 2450, 2842, 2870, 2900, 3430, 4018, 4060, 4100, 4756, 4900, 5075, 5684, 5740, 5945, 6860, 7105, 7175, 8036, 8323, 8575, 9947, 10045, 10150, 11890, 14063, 14210, 14350, 16646, 17150, 19894, 20090, 20300, 23780, 28126, 28420, 28700, 29725, 33292, 34300, 35525, 39788, 40180, 41615, 49735, 50225, 56252, 58261, 59450, 70315, 71050, 83230, 99470, 100450, 116522, 118900, 140630, 142100, 166460, 198940, 200900, 208075, 233044, 248675, 281260, 291305, 351575, 407827, 416150, 497350, 582610, 703150, 815654, 832300, 994700, 1165220, 1406300, 1456525, 1631308, 2039135, 2913050, 4078270, 5826100, 8156540, 10195675, 20391350, 40782700]

約数ペア:

[(1, 40782700), (2, 20391350), (4, 10195675), (5, 8156540), (7, 5826100), (10, 4078270), (14, 2913050), (20, 2039135), (25, 1631308), (28, 1456525), (29, 1406300), (35, 1165220), (41, 994700), (49, 832300), (50, 815654), (58, 703150), (70, 582610), (82, 497350), (98, 416150), (100, 407827), (116, 351575), (140, 291305), (145, 281260), (164, 248675), (175, 233044), (196, 208075), (203, 200900), (205, 198940), (245, 166460), (287, 142100), (290, 140630), (343, 118900), (350, 116522), (406, 100450), (410, 99470), (490, 83230), (574, 71050), (580, 70315), (686, 59450), (700, 58261), (725, 56252), (812, 50225), (820, 49735), (980, 41615), (1015, 40180), (1025, 39788), (1148, 35525), (1189, 34300), (1225, 33292), (1372, 29725), (1421, 28700), (1435, 28420), (1450, 28126), (1715, 23780), (2009, 20300), (2030, 20090), (2050, 19894), (2378, 17150), (2450, 16646), (2842, 14350), (2870, 14210), (2900, 14063), (3430, 11890), (4018, 10150), (4060, 10045), (4100, 9947), (4756, 8575), (4900, 8323), (5075, 8036), (5684, 7175), (5740, 7105), (5945, 6860)]