29800760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{761}}^1$

素因数の和:872

約数の個数: 64

約数和(自身を含む): 74066400

約数和(自身を除く): 44265640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 89, 110, 178, 220, 356, 440, 445, 712, 761, 890, 979, 1522, 1780, 1958, 3044, 3560, 3805, 3916, 4895, 6088, 7610, 7832, 8371, 9790, 15220, 16742, 19580, 30440, 33484, 39160, 41855, 66968, 67729, 83710, 135458, 167420, 270916, 334840, 338645, 541832, 677290, 745019, 1354580, 1490038, 2709160, 2980076, 3725095, 5960152, 7450190, 14900380, 29800760]

約数ペア:

[(1, 29800760), (2, 14900380), (4, 7450190), (5, 5960152), (8, 3725095), (10, 2980076), (11, 2709160), (20, 1490038), (22, 1354580), (40, 745019), (44, 677290), (55, 541832), (88, 338645), (89, 334840), (110, 270916), (178, 167420), (220, 135458), (356, 83710), (440, 67729), (445, 66968), (712, 41855), (761, 39160), (890, 33484), (979, 30440), (1522, 19580), (1780, 16742), (1958, 15220), (3044, 9790), (3560, 8371), (3805, 7832), (3916, 7610), (4895, 6088)]