1394380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1$

素因数の和:226

約数の個数: 48

約数和(自身を含む): 3273984

約数和(自身を除く): 1879604

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 173, 260, 310, 346, 403, 620, 692, 806, 865, 1612, 1730, 2015, 2249, 3460, 4030, 4498, 5363, 8060, 8996, 10726, 11245, 21452, 22490, 26815, 44980, 53630, 69719, 107260, 139438, 278876, 348595, 697190, 1394380]

約数ペア:

[(1, 1394380), (2, 697190), (4, 348595), (5, 278876), (10, 139438), (13, 107260), (20, 69719), (26, 53630), (31, 44980), (52, 26815), (62, 22490), (65, 21452), (124, 11245), (130, 10726), (155, 8996), (173, 8060), (260, 5363), (310, 4498), (346, 4030), (403, 3460), (620, 2249), (692, 2015), (806, 1730), (865, 1612)]