3947860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{173}}^1$

素因数の和:352

約数の個数: 48

約数和(自身を含む): 9588096

約数和(自身を除く): 5640236

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 163, 173, 326, 346, 652, 692, 815, 865, 1141, 1211, 1630, 1730, 2282, 2422, 3260, 3460, 4564, 4844, 5705, 6055, 11410, 12110, 22820, 24220, 28199, 56398, 112796, 140995, 197393, 281990, 394786, 563980, 789572, 986965, 1973930, 3947860]

約数ペア:

[(1, 3947860), (2, 1973930), (4, 986965), (5, 789572), (7, 563980), (10, 394786), (14, 281990), (20, 197393), (28, 140995), (35, 112796), (70, 56398), (140, 28199), (163, 24220), (173, 22820), (326, 12110), (346, 11410), (652, 6055), (692, 5705), (815, 4844), (865, 4564), (1141, 3460), (1211, 3260), (1630, 2422), (1730, 2282)]