42118930

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{1999}}^1$

素因数の和:2063

約数の個数: 48

約数和(自身を含む): 90288000

約数和(自身を除く): 48169070

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 49, 70, 86, 98, 215, 245, 301, 430, 490, 602, 1505, 1999, 2107, 3010, 3998, 4214, 9995, 10535, 13993, 19990, 21070, 27986, 69965, 85957, 97951, 139930, 171914, 195902, 429785, 489755, 601699, 859570, 979510, 1203398, 3008495, 4211893, 6016990, 8423786, 21059465, 42118930]

約数ペア:

[(1, 42118930), (2, 21059465), (5, 8423786), (7, 6016990), (10, 4211893), (14, 3008495), (35, 1203398), (43, 979510), (49, 859570), (70, 601699), (86, 489755), (98, 429785), (215, 195902), (245, 171914), (301, 139930), (430, 97951), (490, 85957), (602, 69965), (1505, 27986), (1999, 21070), (2107, 19990), (3010, 13993), (3998, 10535), (4214, 9995)]