159998440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{18433}}^1$

素因数の和:18482

約数の個数: 64

約数和(自身を含む): 424719360

約数和(自身を除く): 264720920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 8680, 18433, 36866, 73732, 92165, 129031, 147464, 184330, 258062, 368660, 516124, 571423, 645155, 737320, 1032248, 1142846, 1290310, 2285692, 2580620, 2857115, 3999961, 4571384, 5161240, 5714230, 7999922, 11428460, 15999844, 19999805, 22856920, 31999688, 39999610, 79999220, 159998440]

約数ペア:

[(1, 159998440), (2, 79999220), (4, 39999610), (5, 31999688), (7, 22856920), (8, 19999805), (10, 15999844), (14, 11428460), (20, 7999922), (28, 5714230), (31, 5161240), (35, 4571384), (40, 3999961), (56, 2857115), (62, 2580620), (70, 2285692), (124, 1290310), (140, 1142846), (155, 1032248), (217, 737320), (248, 645155), (280, 571423), (310, 516124), (434, 368660), (620, 258062), (868, 184330), (1085, 147464), (1240, 129031), (1736, 92165), (2170, 73732), (4340, 36866), (8680, 18433)]