873620

素因数分解:

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

素因数の和:69

約数の個数: 54

約数和(自身を含む): 2128266

約数和(自身を除く): 1254646

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 121, 190, 209, 220, 242, 361, 380, 418, 484, 605, 722, 836, 1045, 1210, 1444, 1805, 2090, 2299, 2420, 3610, 3971, 4180, 4598, 7220, 7942, 9196, 11495, 15884, 19855, 22990, 39710, 43681, 45980, 79420, 87362, 174724, 218405, 436810, 873620]

約数ペア:

[(1, 873620), (2, 436810), (4, 218405), (5, 174724), (10, 87362), (11, 79420), (19, 45980), (20, 43681), (22, 39710), (38, 22990), (44, 19855), (55, 15884), (76, 11495), (95, 9196), (110, 7942), (121, 7220), (190, 4598), (209, 4180), (220, 3971), (242, 3610), (361, 2420), (380, 2299), (418, 2090), (484, 1805), (605, 1444), (722, 1210), (836, 1045)]