384400

素因数分解:

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

素因数の和:80

約数の個数: 45

約数和(自身を含む): 954273

約数和(自身を除く): 569873

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 155, 200, 248, 310, 400, 496, 620, 775, 961, 1240, 1550, 1922, 2480, 3100, 3844, 4805, 6200, 7688, 9610, 12400, 15376, 19220, 24025, 38440, 48050, 76880, 96100, 192200, 384400]

約数ペア:

[(1, 384400), (2, 192200), (4, 96100), (5, 76880), (8, 48050), (10, 38440), (16, 24025), (20, 19220), (25, 15376), (31, 12400), (40, 9610), (50, 7688), (62, 6200), (80, 4805), (100, 3844), (124, 3100), (155, 2480), (200, 1922), (248, 1550), (310, 1240), (400, 961), (496, 775)]