91443880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{3407}}^1$

素因数の和:3490

約数の個数: 64

約数和(自身を含む): 228199680

約数和(自身を除く): 136755800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 61, 88, 110, 122, 220, 244, 305, 440, 488, 610, 671, 1220, 1342, 2440, 2684, 3355, 3407, 5368, 6710, 6814, 13420, 13628, 17035, 26840, 27256, 34070, 37477, 68140, 74954, 136280, 149908, 187385, 207827, 299816, 374770, 415654, 749540, 831308, 1039135, 1499080, 1662616, 2078270, 2286097, 4156540, 4572194, 8313080, 9144388, 11430485, 18288776, 22860970, 45721940, 91443880]

約数ペア:

[(1, 91443880), (2, 45721940), (4, 22860970), (5, 18288776), (8, 11430485), (10, 9144388), (11, 8313080), (20, 4572194), (22, 4156540), (40, 2286097), (44, 2078270), (55, 1662616), (61, 1499080), (88, 1039135), (110, 831308), (122, 749540), (220, 415654), (244, 374770), (305, 299816), (440, 207827), (488, 187385), (610, 149908), (671, 136280), (1220, 74954), (1342, 68140), (2440, 37477), (2684, 34070), (3355, 27256), (3407, 26840), (5368, 17035), (6710, 13628), (6814, 13420)]