30890964

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2789}}^1$

素因数の和:2880

約数の個数: 48

約数和(自身を含む): 78744960

約数和(自身を除く): 47853996

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 71, 78, 142, 156, 213, 284, 426, 852, 923, 1846, 2769, 2789, 3692, 5538, 5578, 8367, 11076, 11156, 16734, 33468, 36257, 72514, 108771, 145028, 198019, 217542, 396038, 435084, 594057, 792076, 1188114, 2376228, 2574247, 5148494, 7722741, 10296988, 15445482, 30890964]

約数ペア:

[(1, 30890964), (2, 15445482), (3, 10296988), (4, 7722741), (6, 5148494), (12, 2574247), (13, 2376228), (26, 1188114), (39, 792076), (52, 594057), (71, 435084), (78, 396038), (142, 217542), (156, 198019), (213, 145028), (284, 108771), (426, 72514), (852, 36257), (923, 33468), (1846, 16734), (2769, 11156), (2789, 11076), (3692, 8367), (5538, 5578)]