56311780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{1553}}^1$

素因数の和:1613

約数の個数: 72

約数和(自身を含む): 141370488

約数和(自身を除く): 85058708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 49, 70, 74, 98, 140, 148, 185, 196, 245, 259, 370, 490, 518, 740, 980, 1036, 1295, 1553, 1813, 2590, 3106, 3626, 5180, 6212, 7252, 7765, 9065, 10871, 15530, 18130, 21742, 31060, 36260, 43484, 54355, 57461, 76097, 108710, 114922, 152194, 217420, 229844, 287305, 304388, 380485, 402227, 574610, 760970, 804454, 1149220, 1521940, 1608908, 2011135, 2815589, 4022270, 5631178, 8044540, 11262356, 14077945, 28155890, 56311780]

約数ペア:

[(1, 56311780), (2, 28155890), (4, 14077945), (5, 11262356), (7, 8044540), (10, 5631178), (14, 4022270), (20, 2815589), (28, 2011135), (35, 1608908), (37, 1521940), (49, 1149220), (70, 804454), (74, 760970), (98, 574610), (140, 402227), (148, 380485), (185, 304388), (196, 287305), (245, 229844), (259, 217420), (370, 152194), (490, 114922), (518, 108710), (740, 76097), (980, 57461), (1036, 54355), (1295, 43484), (1553, 36260), (1813, 31060), (2590, 21742), (3106, 18130), (3626, 15530), (5180, 10871), (6212, 9065), (7252, 7765)]