47964400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^2\times {\mathrm{991}}^1$

素因数の和:1031

約数の個数: 90

約数和(自身を含む): 126790496

約数和(自身を除く): 78826096

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 121, 176, 200, 220, 242, 275, 400, 440, 484, 550, 605, 880, 968, 991, 1100, 1210, 1936, 1982, 2200, 2420, 3025, 3964, 4400, 4840, 4955, 6050, 7928, 9680, 9910, 10901, 12100, 15856, 19820, 21802, 24200, 24775, 39640, 43604, 48400, 49550, 54505, 79280, 87208, 99100, 109010, 119911, 174416, 198200, 218020, 239822, 272525, 396400, 436040, 479644, 545050, 599555, 872080, 959288, 1090100, 1199110, 1918576, 2180200, 2398220, 2997775, 4360400, 4796440, 5995550, 9592880, 11991100, 23982200, 47964400]

約数ペア:

[(1, 47964400), (2, 23982200), (4, 11991100), (5, 9592880), (8, 5995550), (10, 4796440), (11, 4360400), (16, 2997775), (20, 2398220), (22, 2180200), (25, 1918576), (40, 1199110), (44, 1090100), (50, 959288), (55, 872080), (80, 599555), (88, 545050), (100, 479644), (110, 436040), (121, 396400), (176, 272525), (200, 239822), (220, 218020), (242, 198200), (275, 174416), (400, 119911), (440, 109010), (484, 99100), (550, 87208), (605, 79280), (880, 54505), (968, 49550), (991, 48400), (1100, 43604), (1210, 39640), (1936, 24775), (1982, 24200), (2200, 21802), (2420, 19820), (3025, 15856), (3964, 12100), (4400, 10901), (4840, 9910), (4955, 9680), (6050, 7928)]