29975140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3719}}^1$

素因数の和:3772

約数の個数: 48

約数和(自身を含む): 69995520

約数和(自身を除く): 40020380

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 3719, 4030, 7438, 8060, 14876, 18595, 37190, 48347, 74380, 96694, 115289, 193388, 230578, 241735, 461156, 483470, 576445, 966940, 1152890, 1498757, 2305780, 2997514, 5995028, 7493785, 14987570, 29975140]

約数ペア:

[(1, 29975140), (2, 14987570), (4, 7493785), (5, 5995028), (10, 2997514), (13, 2305780), (20, 1498757), (26, 1152890), (31, 966940), (52, 576445), (62, 483470), (65, 461156), (124, 241735), (130, 230578), (155, 193388), (260, 115289), (310, 96694), (403, 74380), (620, 48347), (806, 37190), (1612, 18595), (2015, 14876), (3719, 8060), (4030, 7438)]