431188120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{6577}}^1$

素因数の和:6748

約数の個数: 64

約数和(自身を含む): 1065636000

約数和(自身を除く): 634447880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 149, 220, 298, 440, 596, 745, 1192, 1490, 1639, 2980, 3278, 5960, 6556, 6577, 8195, 13112, 13154, 16390, 26308, 32780, 32885, 52616, 65560, 65770, 72347, 131540, 144694, 263080, 289388, 361735, 578776, 723470, 979973, 1446940, 1959946, 2893880, 3919892, 4899865, 7839784, 9799730, 10779703, 19599460, 21559406, 39198920, 43118812, 53898515, 86237624, 107797030, 215594060, 431188120]

約数ペア:

[(1, 431188120), (2, 215594060), (4, 107797030), (5, 86237624), (8, 53898515), (10, 43118812), (11, 39198920), (20, 21559406), (22, 19599460), (40, 10779703), (44, 9799730), (55, 7839784), (88, 4899865), (110, 3919892), (149, 2893880), (220, 1959946), (298, 1446940), (440, 979973), (596, 723470), (745, 578776), (1192, 361735), (1490, 289388), (1639, 263080), (2980, 144694), (3278, 131540), (5960, 72347), (6556, 65770), (6577, 65560), (8195, 52616), (13112, 32885), (13154, 32780), (16390, 26308)]