77752180

素因数分解:

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

素因数の和:158

約数の個数: 108

約数和(自身を含む): 191543940

約数和(自身を除く): 113791760

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 89, 95, 110, 121, 178, 190, 209, 220, 242, 356, 361, 380, 418, 445, 484, 605, 722, 836, 890, 979, 1045, 1210, 1444, 1691, 1780, 1805, 1958, 2090, 2299, 2420, 3382, 3610, 3916, 3971, 4180, 4598, 4895, 6764, 7220, 7942, 8455, 9196, 9790, 10769, 11495, 15884, 16910, 18601, 19580, 19855, 21538, 22990, 32129, 33820, 37202, 39710, 43076, 43681, 45980, 53845, 64258, 74404, 79420, 87362, 93005, 107690, 128516, 160645, 174724, 186010, 204611, 215380, 218405, 321290, 353419, 372020, 409222, 436810, 642580, 706838, 818444, 873620, 1023055, 1413676, 1767095, 2046110, 3534190, 3887609, 4092220, 7068380, 7775218, 15550436, 19438045, 38876090, 77752180]

約数ペア:

[(1, 77752180), (2, 38876090), (4, 19438045), (5, 15550436), (10, 7775218), (11, 7068380), (19, 4092220), (20, 3887609), (22, 3534190), (38, 2046110), (44, 1767095), (55, 1413676), (76, 1023055), (89, 873620), (95, 818444), (110, 706838), (121, 642580), (178, 436810), (190, 409222), (209, 372020), (220, 353419), (242, 321290), (356, 218405), (361, 215380), (380, 204611), (418, 186010), (445, 174724), (484, 160645), (605, 128516), (722, 107690), (836, 93005), (890, 87362), (979, 79420), (1045, 74404), (1210, 64258), (1444, 53845), (1691, 45980), (1780, 43681), (1805, 43076), (1958, 39710), (2090, 37202), (2299, 33820), (2420, 32129), (3382, 22990), (3610, 21538), (3916, 19855), (3971, 19580), (4180, 18601), (4598, 16910), (4895, 15884), (6764, 11495), (7220, 10769), (7942, 9790), (8455, 9196)]