68609800

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{7001}}^1$

素因数の和:7031

約数の個数: 72

約数和(自身を含む): 185588010

約数和(自身を除く): 116978210

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 140, 175, 196, 200, 245, 280, 350, 392, 490, 700, 980, 1225, 1400, 1960, 2450, 4900, 7001, 9800, 14002, 28004, 35005, 49007, 56008, 70010, 98014, 140020, 175025, 196028, 245035, 280040, 343049, 350050, 392056, 490070, 686098, 700100, 980140, 1225175, 1372196, 1400200, 1715245, 1960280, 2450350, 2744392, 3430490, 4900700, 6860980, 8576225, 9801400, 13721960, 17152450, 34304900, 68609800]

約数ペア:

[(1, 68609800), (2, 34304900), (4, 17152450), (5, 13721960), (7, 9801400), (8, 8576225), (10, 6860980), (14, 4900700), (20, 3430490), (25, 2744392), (28, 2450350), (35, 1960280), (40, 1715245), (49, 1400200), (50, 1372196), (56, 1225175), (70, 980140), (98, 700100), (100, 686098), (140, 490070), (175, 392056), (196, 350050), (200, 343049), (245, 280040), (280, 245035), (350, 196028), (392, 175025), (490, 140020), (700, 98014), (980, 70010), (1225, 56008), (1400, 49007), (1960, 35005), (2450, 28004), (4900, 14002), (7001, 9800)]