8742470

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:173

約数の個数: 64

約数和(自身を含む): 18662400

約数和(自身を除く): 9919930

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 47, 55, 89, 94, 95, 110, 178, 190, 209, 235, 418, 445, 470, 517, 890, 893, 979, 1034, 1045, 1691, 1786, 1958, 2090, 2585, 3382, 4183, 4465, 4895, 5170, 8366, 8455, 8930, 9790, 9823, 16910, 18601, 19646, 20915, 37202, 41830, 46013, 49115, 79477, 92026, 93005, 98230, 158954, 186010, 230065, 397385, 460130, 794770, 874247, 1748494, 4371235, 8742470]

約数ペア:

[(1, 8742470), (2, 4371235), (5, 1748494), (10, 874247), (11, 794770), (19, 460130), (22, 397385), (38, 230065), (47, 186010), (55, 158954), (89, 98230), (94, 93005), (95, 92026), (110, 79477), (178, 49115), (190, 46013), (209, 41830), (235, 37202), (418, 20915), (445, 19646), (470, 18601), (517, 16910), (890, 9823), (893, 9790), (979, 8930), (1034, 8455), (1045, 8366), (1691, 5170), (1786, 4895), (1958, 4465), (2090, 4183), (2585, 3382)]