1797380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1$

素因数の和:276

約数の個数: 48

約数和(自身を含む): 4214784

約数和(自身を除く): 2417404

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 223, 260, 310, 403, 446, 620, 806, 892, 1115, 1612, 2015, 2230, 2899, 4030, 4460, 5798, 6913, 8060, 11596, 13826, 14495, 27652, 28990, 34565, 57980, 69130, 89869, 138260, 179738, 359476, 449345, 898690, 1797380]

約数ペア:

[(1, 1797380), (2, 898690), (4, 449345), (5, 359476), (10, 179738), (13, 138260), (20, 89869), (26, 69130), (31, 57980), (52, 34565), (62, 28990), (65, 27652), (124, 14495), (130, 13826), (155, 11596), (223, 8060), (260, 6913), (310, 5798), (403, 4460), (446, 4030), (620, 2899), (806, 2230), (892, 2015), (1115, 1612)]