30911195

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:144

約数の個数: 64

約数和(自身を含む): 48660480

約数和(自身を除く): 17749285

約数列:

[1, 5, 7, 19, 23, 35, 43, 47, 95, 115, 133, 161, 215, 235, 301, 329, 437, 665, 805, 817, 893, 989, 1081, 1505, 1645, 2021, 2185, 3059, 4085, 4465, 4945, 5405, 5719, 6251, 6923, 7567, 10105, 14147, 15295, 18791, 20539, 28595, 31255, 34615, 37835, 38399, 46483, 70735, 93955, 102695, 131537, 143773, 191995, 232415, 268793, 325381, 657685, 718865, 883177, 1343965, 1626905, 4415885, 6182239, 30911195]

約数ペア:

[(1, 30911195), (5, 6182239), (7, 4415885), (19, 1626905), (23, 1343965), (35, 883177), (43, 718865), (47, 657685), (95, 325381), (115, 268793), (133, 232415), (161, 191995), (215, 143773), (235, 131537), (301, 102695), (329, 93955), (437, 70735), (665, 46483), (805, 38399), (817, 37835), (893, 34615), (989, 31255), (1081, 28595), (1505, 20539), (1645, 18791), (2021, 15295), (2185, 14147), (3059, 10105), (4085, 7567), (4465, 6923), (4945, 6251), (5405, 5719)]