190348990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{317}}^1$

素因数の和:517

約数の個数: 64

約数和(自身を含む): 384652800

約数和(自身を除く): 194303810

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 149, 155, 298, 310, 317, 403, 634, 745, 806, 1490, 1585, 1937, 2015, 3170, 3874, 4030, 4121, 4619, 8242, 9238, 9685, 9827, 19370, 19654, 20605, 23095, 41210, 46190, 47233, 49135, 60047, 94466, 98270, 120094, 127751, 236165, 255502, 300235, 472330, 600470, 614029, 638755, 1228058, 1277510, 1464223, 2928446, 3070145, 6140290, 7321115, 14642230, 19034899, 38069798, 95174495, 190348990]

約数ペア:

[(1, 190348990), (2, 95174495), (5, 38069798), (10, 19034899), (13, 14642230), (26, 7321115), (31, 6140290), (62, 3070145), (65, 2928446), (130, 1464223), (149, 1277510), (155, 1228058), (298, 638755), (310, 614029), (317, 600470), (403, 472330), (634, 300235), (745, 255502), (806, 236165), (1490, 127751), (1585, 120094), (1937, 98270), (2015, 94466), (3170, 60047), (3874, 49135), (4030, 47233), (4121, 46190), (4619, 41210), (8242, 23095), (9238, 20605), (9685, 19654), (9827, 19370)]