308865400

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^2\times {\mathrm{1607}}^1$

素因数の和:1685

約数の個数: 72

約数和(自身を含む): 742485960

約数和(自身を除く): 433620560

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 155, 200, 248, 310, 620, 775, 961, 1240, 1550, 1607, 1922, 3100, 3214, 3844, 4805, 6200, 6428, 7688, 8035, 9610, 12856, 16070, 19220, 24025, 32140, 38440, 40175, 48050, 49817, 64280, 80350, 96100, 99634, 160700, 192200, 199268, 249085, 321400, 398536, 498170, 996340, 1245425, 1544327, 1992680, 2490850, 3088654, 4981700, 6177308, 7721635, 9963400, 12354616, 15443270, 30886540, 38608175, 61773080, 77216350, 154432700, 308865400]

約数ペア:

[(1, 308865400), (2, 154432700), (4, 77216350), (5, 61773080), (8, 38608175), (10, 30886540), (20, 15443270), (25, 12354616), (31, 9963400), (40, 7721635), (50, 6177308), (62, 4981700), (100, 3088654), (124, 2490850), (155, 1992680), (200, 1544327), (248, 1245425), (310, 996340), (620, 498170), (775, 398536), (961, 321400), (1240, 249085), (1550, 199268), (1607, 192200), (1922, 160700), (3100, 99634), (3214, 96100), (3844, 80350), (4805, 64280), (6200, 49817), (6428, 48050), (7688, 40175), (8035, 38440), (9610, 32140), (12856, 24025), (16070, 19220)]