1398815320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{941}}^1\times {\mathrm{5309}}^1$

素因数の和:6268

約数の個数: 64

約数和(自身を含む): 3601454400

約数和(自身を除く): 2202639080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 941, 1882, 3764, 4705, 5309, 6587, 7528, 9410, 10618, 13174, 18820, 21236, 26348, 26545, 32935, 37163, 37640, 42472, 52696, 53090, 65870, 74326, 106180, 131740, 148652, 185815, 212360, 263480, 297304, 371630, 743260, 1486520, 4995769, 9991538, 19983076, 24978845, 34970383, 39966152, 49957690, 69940766, 99915380, 139881532, 174851915, 199830760, 279763064, 349703830, 699407660, 1398815320]

約数ペア:

[(1, 1398815320), (2, 699407660), (4, 349703830), (5, 279763064), (7, 199830760), (8, 174851915), (10, 139881532), (14, 99915380), (20, 69940766), (28, 49957690), (35, 39966152), (40, 34970383), (56, 24978845), (70, 19983076), (140, 9991538), (280, 4995769), (941, 1486520), (1882, 743260), (3764, 371630), (4705, 297304), (5309, 263480), (6587, 212360), (7528, 185815), (9410, 148652), (10618, 131740), (13174, 106180), (18820, 74326), (21236, 65870), (26348, 53090), (26545, 52696), (32935, 42472), (37163, 37640)]