1798685140

素因数分解:

$2^2\times 5^1\times 7^5\times {\mathrm{5351}}^1$

素因数の和:5395

約数の個数: 72

約数和(自身を含む): 4407564672

約数和(自身を除く): 2608879532

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 2401, 3430, 4802, 5351, 6860, 9604, 10702, 12005, 16807, 21404, 24010, 26755, 33614, 37457, 48020, 53510, 67228, 74914, 84035, 107020, 149828, 168070, 187285, 262199, 336140, 374570, 524398, 749140, 1048796, 1310995, 1835393, 2621990, 3670786, 5243980, 7341572, 9176965, 12847751, 18353930, 25695502, 36707860, 51391004, 64238755, 89934257, 128477510, 179868514, 256955020, 359737028, 449671285, 899342570, 1798685140]

約数ペア:

[(1, 1798685140), (2, 899342570), (4, 449671285), (5, 359737028), (7, 256955020), (10, 179868514), (14, 128477510), (20, 89934257), (28, 64238755), (35, 51391004), (49, 36707860), (70, 25695502), (98, 18353930), (140, 12847751), (196, 9176965), (245, 7341572), (343, 5243980), (490, 3670786), (686, 2621990), (980, 1835393), (1372, 1310995), (1715, 1048796), (2401, 749140), (3430, 524398), (4802, 374570), (5351, 336140), (6860, 262199), (9604, 187285), (10702, 168070), (12005, 149828), (16807, 107020), (21404, 84035), (24010, 74914), (26755, 67228), (33614, 53510), (37457, 48020)]