28256610

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{557}}^1$

素因数の和:675

約数の個数: 64

約数和(自身を含む): 72316800

約数和(自身を除く): 44060190

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 89, 95, 114, 178, 190, 267, 285, 445, 534, 557, 570, 890, 1114, 1335, 1671, 1691, 2670, 2785, 3342, 3382, 5073, 5570, 8355, 8455, 10146, 10583, 16710, 16910, 21166, 25365, 31749, 49573, 50730, 52915, 63498, 99146, 105830, 148719, 158745, 247865, 297438, 317490, 495730, 743595, 941887, 1487190, 1883774, 2825661, 4709435, 5651322, 9418870, 14128305, 28256610]

約数ペア:

[(1, 28256610), (2, 14128305), (3, 9418870), (5, 5651322), (6, 4709435), (10, 2825661), (15, 1883774), (19, 1487190), (30, 941887), (38, 743595), (57, 495730), (89, 317490), (95, 297438), (114, 247865), (178, 158745), (190, 148719), (267, 105830), (285, 99146), (445, 63498), (534, 52915), (557, 50730), (570, 49573), (890, 31749), (1114, 25365), (1335, 21166), (1671, 16910), (1691, 16710), (2670, 10583), (2785, 10146), (3342, 8455), (3382, 8355), (5073, 5570)]