31297702940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{919}}^1\times {\mathrm{243259}}^1$

素因数の和:244194

約数の個数: 48

約数和(自身を含む): 75196531200

約数和(自身を除く): 43898828260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 919, 1838, 3676, 4595, 6433, 9190, 12866, 18380, 25732, 32165, 64330, 128660, 243259, 486518, 973036, 1216295, 1702813, 2432590, 3405626, 4865180, 6811252, 8514065, 17028130, 34056260, 223555021, 447110042, 894220084, 1117775105, 1564885147, 2235550210, 3129770294, 4471100420, 6259540588, 7824425735, 15648851470, 31297702940]

約数ペア:

[(1, 31297702940), (2, 15648851470), (4, 7824425735), (5, 6259540588), (7, 4471100420), (10, 3129770294), (14, 2235550210), (20, 1564885147), (28, 1117775105), (35, 894220084), (70, 447110042), (140, 223555021), (919, 34056260), (1838, 17028130), (3676, 8514065), (4595, 6811252), (6433, 4865180), (9190, 3405626), (12866, 2432590), (18380, 1702813), (25732, 1216295), (32165, 973036), (64330, 486518), (128660, 243259)]