42807380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{19}}^2$

素因数の和:83

約数の個数: 162

約数和(自身を含む): 121311162

約数和(自身を除く): 78503782

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 19, 20, 22, 28, 35, 38, 44, 49, 55, 70, 76, 77, 95, 98, 110, 121, 133, 140, 154, 190, 196, 209, 220, 242, 245, 266, 308, 361, 380, 385, 418, 484, 490, 532, 539, 605, 665, 722, 770, 836, 847, 931, 980, 1045, 1078, 1210, 1330, 1444, 1463, 1540, 1694, 1805, 1862, 2090, 2156, 2299, 2420, 2527, 2660, 2695, 2926, 3388, 3610, 3724, 3971, 4180, 4235, 4598, 4655, 5054, 5390, 5852, 5929, 7220, 7315, 7942, 8470, 9196, 9310, 10108, 10241, 10780, 11495, 11858, 12635, 14630, 15884, 16093, 16940, 17689, 18620, 19855, 20482, 22990, 23716, 25270, 27797, 29260, 29645, 32186, 35378, 39710, 40964, 43681, 45980, 50540, 51205, 55594, 59290, 64372, 70756, 79420, 80465, 87362, 88445, 102410, 111188, 112651, 118580, 138985, 160930, 174724, 176890, 194579, 204820, 218405, 225302, 277970, 305767, 321860, 353780, 389158, 436810, 450604, 555940, 563255, 611534, 778316, 873620, 972895, 1126510, 1223068, 1528835, 1945790, 2140369, 2253020, 3057670, 3891580, 4280738, 6115340, 8561476, 10701845, 21403690, 42807380]

約数ペア:

[(1, 42807380), (2, 21403690), (4, 10701845), (5, 8561476), (7, 6115340), (10, 4280738), (11, 3891580), (14, 3057670), (19, 2253020), (20, 2140369), (22, 1945790), (28, 1528835), (35, 1223068), (38, 1126510), (44, 972895), (49, 873620), (55, 778316), (70, 611534), (76, 563255), (77, 555940), (95, 450604), (98, 436810), (110, 389158), (121, 353780), (133, 321860), (140, 305767), (154, 277970), (190, 225302), (196, 218405), (209, 204820), (220, 194579), (242, 176890), (245, 174724), (266, 160930), (308, 138985), (361, 118580), (380, 112651), (385, 111188), (418, 102410), (484, 88445), (490, 87362), (532, 80465), (539, 79420), (605, 70756), (665, 64372), (722, 59290), (770, 55594), (836, 51205), (847, 50540), (931, 45980), (980, 43681), (1045, 40964), (1078, 39710), (1210, 35378), (1330, 32186), (1444, 29645), (1463, 29260), (1540, 27797), (1694, 25270), (1805, 23716), (1862, 22990), (2090, 20482), (2156, 19855), (2299, 18620), (2420, 17689), (2527, 16940), (2660, 16093), (2695, 15884), (2926, 14630), (3388, 12635), (3610, 11858), (3724, 11495), (3971, 10780), (4180, 10241), (4235, 10108), (4598, 9310), (4655, 9196), (5054, 8470), (5390, 7942), (5852, 7315), (5929, 7220)]