8203580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{761}}^1$

素因数の和:795

約数の個数: 72

約数和(自身を含む): 21890736

約数和(自身を除く): 13687156

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 761, 770, 980, 1078, 1522, 1540, 2156, 2695, 3044, 3805, 5327, 5390, 7610, 8371, 10654, 10780, 15220, 16742, 21308, 26635, 33484, 37289, 41855, 53270, 58597, 74578, 83710, 106540, 117194, 149156, 167420, 186445, 234388, 292985, 372890, 410179, 585970, 745780, 820358, 1171940, 1640716, 2050895, 4101790, 8203580]

約数ペア:

[(1, 8203580), (2, 4101790), (4, 2050895), (5, 1640716), (7, 1171940), (10, 820358), (11, 745780), (14, 585970), (20, 410179), (22, 372890), (28, 292985), (35, 234388), (44, 186445), (49, 167420), (55, 149156), (70, 117194), (77, 106540), (98, 83710), (110, 74578), (140, 58597), (154, 53270), (196, 41855), (220, 37289), (245, 33484), (308, 26635), (385, 21308), (490, 16742), (539, 15220), (761, 10780), (770, 10654), (980, 8371), (1078, 7610), (1522, 5390), (1540, 5327), (2156, 3805), (2695, 3044)]