142420850

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19919}}^1$

素因数の和:19955

約数の個数: 48

約数和(自身を含む): 311230080

約数和(自身を除く): 168809230

約数列:

[1, 2, 5, 10, 11, 13, 22, 25, 26, 50, 55, 65, 110, 130, 143, 275, 286, 325, 550, 650, 715, 1430, 3575, 7150, 19919, 39838, 99595, 199190, 219109, 258947, 438218, 497975, 517894, 995950, 1095545, 1294735, 2191090, 2589470, 2848417, 5477725, 5696834, 6473675, 10955450, 12947350, 14242085, 28484170, 71210425, 142420850]

約数ペア:

[(1, 142420850), (2, 71210425), (5, 28484170), (10, 14242085), (11, 12947350), (13, 10955450), (22, 6473675), (25, 5696834), (26, 5477725), (50, 2848417), (55, 2589470), (65, 2191090), (110, 1294735), (130, 1095545), (143, 995950), (275, 517894), (286, 497975), (325, 438218), (550, 258947), (650, 219109), (715, 199190), (1430, 99595), (3575, 39838), (7150, 19919)]