40690972

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1$

素因数の和:267

約数の個数: 72

約数和(自身を含む): 88303488

約数和(自身を除く): 47612516

約数列:

[1, 2, 4, 7, 14, 28, 31, 37, 49, 62, 74, 98, 124, 148, 181, 196, 217, 259, 362, 434, 518, 724, 868, 1036, 1147, 1267, 1519, 1813, 2294, 2534, 3038, 3626, 4588, 5068, 5611, 6076, 6697, 7252, 8029, 8869, 11222, 13394, 16058, 17738, 22444, 26788, 32116, 35476, 39277, 46879, 56203, 78554, 93758, 112406, 157108, 187516, 207607, 224812, 274939, 328153, 415214, 549878, 656306, 830428, 1099756, 1312612, 1453249, 2906498, 5812996, 10172743, 20345486, 40690972]

約数ペア:

[(1, 40690972), (2, 20345486), (4, 10172743), (7, 5812996), (14, 2906498), (28, 1453249), (31, 1312612), (37, 1099756), (49, 830428), (62, 656306), (74, 549878), (98, 415214), (124, 328153), (148, 274939), (181, 224812), (196, 207607), (217, 187516), (259, 157108), (362, 112406), (434, 93758), (518, 78554), (724, 56203), (868, 46879), (1036, 39277), (1147, 35476), (1267, 32116), (1519, 26788), (1813, 22444), (2294, 17738), (2534, 16058), (3038, 13394), (3626, 11222), (4588, 8869), (5068, 8029), (5611, 7252), (6076, 6697)]