289933480

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{227}}^1\times {\mathrm{863}}^1$

素因数の和:1138

約数の個数: 64

約数和(自身を含む): 673712640

約数和(自身を除く): 383779160

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 227, 296, 370, 454, 740, 863, 908, 1135, 1480, 1726, 1816, 2270, 3452, 4315, 4540, 6904, 8399, 8630, 9080, 16798, 17260, 31931, 33596, 34520, 41995, 63862, 67192, 83990, 127724, 159655, 167980, 195901, 255448, 319310, 335960, 391802, 638620, 783604, 979505, 1277240, 1567208, 1959010, 3918020, 7248337, 7836040, 14496674, 28993348, 36241685, 57986696, 72483370, 144966740, 289933480]

約数ペア:

[(1, 289933480), (2, 144966740), (4, 72483370), (5, 57986696), (8, 36241685), (10, 28993348), (20, 14496674), (37, 7836040), (40, 7248337), (74, 3918020), (148, 1959010), (185, 1567208), (227, 1277240), (296, 979505), (370, 783604), (454, 638620), (740, 391802), (863, 335960), (908, 319310), (1135, 255448), (1480, 195901), (1726, 167980), (1816, 159655), (2270, 127724), (3452, 83990), (4315, 67192), (4540, 63862), (6904, 41995), (8399, 34520), (8630, 33596), (9080, 31931), (16798, 17260)]