42972020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{3373}}^1$

素因数の和:3409

約数の個数: 72

約数和(自身を含む): 113082984

約数和(自身を除く): 70110964

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 1274, 1820, 2548, 3185, 3373, 6370, 6746, 12740, 13492, 16865, 23611, 33730, 43849, 47222, 67460, 87698, 94444, 118055, 165277, 175396, 219245, 236110, 306943, 330554, 438490, 472220, 613886, 661108, 826385, 876980, 1227772, 1534715, 1652770, 2148601, 3069430, 3305540, 4297202, 6138860, 8594404, 10743005, 21486010, 42972020]

約数ペア:

[(1, 42972020), (2, 21486010), (4, 10743005), (5, 8594404), (7, 6138860), (10, 4297202), (13, 3305540), (14, 3069430), (20, 2148601), (26, 1652770), (28, 1534715), (35, 1227772), (49, 876980), (52, 826385), (65, 661108), (70, 613886), (91, 472220), (98, 438490), (130, 330554), (140, 306943), (182, 236110), (196, 219245), (245, 175396), (260, 165277), (364, 118055), (455, 94444), (490, 87698), (637, 67460), (910, 47222), (980, 43849), (1274, 33730), (1820, 23611), (2548, 16865), (3185, 13492), (3373, 12740), (6370, 6746)]