1747240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^2$

素因数の和:71

約数の個数: 72

約数和(自身を含む): 4560570

約数和(自身を除く): 2813330

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 121, 152, 190, 209, 220, 242, 361, 380, 418, 440, 484, 605, 722, 760, 836, 968, 1045, 1210, 1444, 1672, 1805, 2090, 2299, 2420, 2888, 3610, 3971, 4180, 4598, 4840, 7220, 7942, 8360, 9196, 11495, 14440, 15884, 18392, 19855, 22990, 31768, 39710, 43681, 45980, 79420, 87362, 91960, 158840, 174724, 218405, 349448, 436810, 873620, 1747240]

約数ペア:

[(1, 1747240), (2, 873620), (4, 436810), (5, 349448), (8, 218405), (10, 174724), (11, 158840), (19, 91960), (20, 87362), (22, 79420), (38, 45980), (40, 43681), (44, 39710), (55, 31768), (76, 22990), (88, 19855), (95, 18392), (110, 15884), (121, 14440), (152, 11495), (190, 9196), (209, 8360), (220, 7942), (242, 7220), (361, 4840), (380, 4598), (418, 4180), (440, 3971), (484, 3610), (605, 2888), (722, 2420), (760, 2299), (836, 2090), (968, 1805), (1045, 1672), (1210, 1444)]