121837750

素因数分解:

$2^1\times 5^3\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1$

素因数の和:326

約数の個数: 64

約数和(自身を含む): 239616000

約数和(自身を除く): 117778250

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 79, 125, 155, 158, 199, 250, 310, 395, 398, 775, 790, 995, 1550, 1975, 1990, 2449, 3875, 3950, 4898, 4975, 6169, 7750, 9875, 9950, 12245, 12338, 15721, 19750, 24490, 24875, 30845, 31442, 49750, 61225, 61690, 78605, 122450, 154225, 157210, 306125, 308450, 393025, 487351, 612250, 771125, 786050, 974702, 1542250, 1965125, 2436755, 3930250, 4873510, 12183775, 24367550, 60918875, 121837750]

約数ペア:

[(1, 121837750), (2, 60918875), (5, 24367550), (10, 12183775), (25, 4873510), (31, 3930250), (50, 2436755), (62, 1965125), (79, 1542250), (125, 974702), (155, 786050), (158, 771125), (199, 612250), (250, 487351), (310, 393025), (395, 308450), (398, 306125), (775, 157210), (790, 154225), (995, 122450), (1550, 78605), (1975, 61690), (1990, 61225), (2449, 49750), (3875, 31442), (3950, 30845), (4898, 24875), (4975, 24490), (6169, 19750), (7750, 15721), (9875, 12338), (9950, 12245)]