741872780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^3\times {\mathrm{29}}^1\times {\mathrm{31}}^2$

素因数の和:133

約数の個数: 144

約数和(自身を含む): 1831727520

約数和(自身を除く): 1089854740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 31, 44, 55, 58, 62, 110, 116, 121, 124, 145, 155, 220, 242, 290, 310, 319, 341, 484, 580, 605, 620, 638, 682, 899, 961, 1210, 1276, 1331, 1364, 1595, 1705, 1798, 1922, 2420, 2662, 3190, 3410, 3509, 3596, 3751, 3844, 4495, 4805, 5324, 6380, 6655, 6820, 7018, 7502, 8990, 9610, 9889, 10571, 13310, 14036, 15004, 17545, 17980, 18755, 19220, 19778, 21142, 26620, 27869, 35090, 37510, 38599, 39556, 41261, 42284, 49445, 52855, 55738, 70180, 75020, 77198, 82522, 98890, 105710, 108779, 111476, 116281, 139345, 154396, 165044, 192995, 197780, 206305, 211420, 217558, 232562, 278690, 306559, 385990, 412610, 435116, 465124, 543895, 557380, 581405, 613118, 771980, 825220, 1087790, 1162810, 1196569, 1226236, 1279091, 1532795, 2175580, 2325620, 2393138, 2558182, 3065590, 3372149, 4786276, 5116364, 5982845, 6131180, 6395455, 6744298, 11965690, 12790910, 13488596, 16860745, 23931380, 25581820, 33721490, 37093639, 67442980, 74187278, 148374556, 185468195, 370936390, 741872780]

約数ペア:

[(1, 741872780), (2, 370936390), (4, 185468195), (5, 148374556), (10, 74187278), (11, 67442980), (20, 37093639), (22, 33721490), (29, 25581820), (31, 23931380), (44, 16860745), (55, 13488596), (58, 12790910), (62, 11965690), (110, 6744298), (116, 6395455), (121, 6131180), (124, 5982845), (145, 5116364), (155, 4786276), (220, 3372149), (242, 3065590), (290, 2558182), (310, 2393138), (319, 2325620), (341, 2175580), (484, 1532795), (580, 1279091), (605, 1226236), (620, 1196569), (638, 1162810), (682, 1087790), (899, 825220), (961, 771980), (1210, 613118), (1276, 581405), (1331, 557380), (1364, 543895), (1595, 465124), (1705, 435116), (1798, 412610), (1922, 385990), (2420, 306559), (2662, 278690), (3190, 232562), (3410, 217558), (3509, 211420), (3596, 206305), (3751, 197780), (3844, 192995), (4495, 165044), (4805, 154396), (5324, 139345), (6380, 116281), (6655, 111476), (6820, 108779), (7018, 105710), (7502, 98890), (8990, 82522), (9610, 77198), (9889, 75020), (10571, 70180), (13310, 55738), (14036, 52855), (15004, 49445), (17545, 42284), (17980, 41261), (18755, 39556), (19220, 38599), (19778, 37510), (21142, 35090), (26620, 27869)]