189388300

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{307}}^1$

素因数の和:551

約数の個数: 72

約数和(自身を含む): 427750400

約数和(自身を除く): 238362100

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 199, 307, 310, 398, 614, 620, 775, 796, 995, 1228, 1535, 1550, 1990, 3070, 3100, 3980, 4975, 6140, 6169, 7675, 9517, 9950, 12338, 15350, 19034, 19900, 24676, 30700, 30845, 38068, 47585, 61093, 61690, 95170, 122186, 123380, 154225, 190340, 237925, 244372, 305465, 308450, 475850, 610930, 616900, 951700, 1221860, 1527325, 1893883, 3054650, 3787766, 6109300, 7575532, 9469415, 18938830, 37877660, 47347075, 94694150, 189388300]

約数ペア:

[(1, 189388300), (2, 94694150), (4, 47347075), (5, 37877660), (10, 18938830), (20, 9469415), (25, 7575532), (31, 6109300), (50, 3787766), (62, 3054650), (100, 1893883), (124, 1527325), (155, 1221860), (199, 951700), (307, 616900), (310, 610930), (398, 475850), (614, 308450), (620, 305465), (775, 244372), (796, 237925), (995, 190340), (1228, 154225), (1535, 123380), (1550, 122186), (1990, 95170), (3070, 61690), (3100, 61093), (3980, 47585), (4975, 38068), (6140, 30845), (6169, 30700), (7675, 24676), (9517, 19900), (9950, 19034), (12338, 15350)]