199412925

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{431}}^1$

素因数の和:674

約数の個数: 48

約数和(自身を含む): 342835200

約数和(自身を除く): 143422275

約数列:

[1, 3, 5, 15, 25, 31, 75, 93, 155, 199, 431, 465, 597, 775, 995, 1293, 2155, 2325, 2985, 4975, 6169, 6465, 10775, 13361, 14925, 18507, 30845, 32325, 40083, 66805, 85769, 92535, 154225, 200415, 257307, 334025, 428845, 462675, 1002075, 1286535, 2144225, 2658839, 6432675, 7976517, 13294195, 39882585, 66470975, 199412925]

約数ペア:

[(1, 199412925), (3, 66470975), (5, 39882585), (15, 13294195), (25, 7976517), (31, 6432675), (75, 2658839), (93, 2144225), (155, 1286535), (199, 1002075), (431, 462675), (465, 428845), (597, 334025), (775, 257307), (995, 200415), (1293, 154225), (2155, 92535), (2325, 85769), (2985, 66805), (4975, 40083), (6169, 32325), (6465, 30845), (10775, 18507), (13361, 14925)]