239019920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^2\times {\mathrm{3109}}^1$

素因数の和:3184

約数の個数: 60

約数和(自身を含む): 574410780

約数和(自身を除く): 335390860

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 961, 1240, 1922, 2480, 3109, 3844, 4805, 6218, 7688, 9610, 12436, 15376, 15545, 19220, 24872, 31090, 38440, 49744, 62180, 76880, 96379, 124360, 192758, 248720, 385516, 481895, 771032, 963790, 1542064, 1927580, 2987749, 3855160, 5975498, 7710320, 11950996, 14938745, 23901992, 29877490, 47803984, 59754980, 119509960, 239019920]

約数ペア:

[(1, 239019920), (2, 119509960), (4, 59754980), (5, 47803984), (8, 29877490), (10, 23901992), (16, 14938745), (20, 11950996), (31, 7710320), (40, 5975498), (62, 3855160), (80, 2987749), (124, 1927580), (155, 1542064), (248, 963790), (310, 771032), (496, 481895), (620, 385516), (961, 248720), (1240, 192758), (1922, 124360), (2480, 96379), (3109, 76880), (3844, 62180), (4805, 49744), (6218, 38440), (7688, 31090), (9610, 24872), (12436, 19220), (15376, 15545)]