239813420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{155723}}^1$

素因数の和:155750

約数の個数: 48

約数和(自身を含む): 627879168

約数和(自身を除く): 388065748

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 155723, 311446, 622892, 778615, 1090061, 1557230, 1712953, 2180122, 3114460, 3425906, 4360244, 5450305, 6851812, 8564765, 10900610, 11990671, 17129530, 21801220, 23981342, 34259060, 47962684, 59953355, 119906710, 239813420]

約数ペア:

[(1, 239813420), (2, 119906710), (4, 59953355), (5, 47962684), (7, 34259060), (10, 23981342), (11, 21801220), (14, 17129530), (20, 11990671), (22, 10900610), (28, 8564765), (35, 6851812), (44, 5450305), (55, 4360244), (70, 3425906), (77, 3114460), (110, 2180122), (140, 1712953), (154, 1557230), (220, 1090061), (308, 778615), (385, 622892), (770, 311446), (1540, 155723)]