7870940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1$

素因数の和:315

約数の個数: 96

約数和(自身を含む): 21772800

約数和(自身を除く): 13901860

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 19, 20, 22, 28, 35, 38, 44, 55, 70, 76, 77, 95, 110, 133, 140, 154, 190, 209, 220, 266, 269, 308, 380, 385, 418, 532, 538, 665, 770, 836, 1045, 1076, 1330, 1345, 1463, 1540, 1883, 2090, 2660, 2690, 2926, 2959, 3766, 4180, 5111, 5380, 5852, 5918, 7315, 7532, 9415, 10222, 11836, 14630, 14795, 18830, 20444, 20713, 25555, 29260, 29590, 35777, 37660, 41426, 51110, 56221, 59180, 71554, 82852, 102220, 103565, 112442, 143108, 178885, 207130, 224884, 281105, 357770, 393547, 414260, 562210, 715540, 787094, 1124420, 1574188, 1967735, 3935470, 7870940]

約数ペア:

[(1, 7870940), (2, 3935470), (4, 1967735), (5, 1574188), (7, 1124420), (10, 787094), (11, 715540), (14, 562210), (19, 414260), (20, 393547), (22, 357770), (28, 281105), (35, 224884), (38, 207130), (44, 178885), (55, 143108), (70, 112442), (76, 103565), (77, 102220), (95, 82852), (110, 71554), (133, 59180), (140, 56221), (154, 51110), (190, 41426), (209, 37660), (220, 35777), (266, 29590), (269, 29260), (308, 25555), (380, 20713), (385, 20444), (418, 18830), (532, 14795), (538, 14630), (665, 11836), (770, 10222), (836, 9415), (1045, 7532), (1076, 7315), (1330, 5918), (1345, 5852), (1463, 5380), (1540, 5111), (1883, 4180), (2090, 3766), (2660, 2959), (2690, 2926)]