897886420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{5407}}^1$

素因数の和:5477

約数の個数: 72

約数和(自身を含む): 2076931584

約数和(自身を除く): 1179045164

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 361, 380, 437, 460, 722, 874, 1444, 1748, 1805, 2185, 3610, 4370, 5407, 7220, 8303, 8740, 10814, 16606, 21628, 27035, 33212, 41515, 54070, 83030, 102733, 108140, 124361, 166060, 205466, 248722, 410932, 497444, 513665, 621805, 1027330, 1243610, 1951927, 2054660, 2362859, 2487220, 3903854, 4725718, 7807708, 9451436, 9759635, 11814295, 19519270, 23628590, 39038540, 44894321, 47257180, 89788642, 179577284, 224471605, 448943210, 897886420]

約数ペア:

[(1, 897886420), (2, 448943210), (4, 224471605), (5, 179577284), (10, 89788642), (19, 47257180), (20, 44894321), (23, 39038540), (38, 23628590), (46, 19519270), (76, 11814295), (92, 9759635), (95, 9451436), (115, 7807708), (190, 4725718), (230, 3903854), (361, 2487220), (380, 2362859), (437, 2054660), (460, 1951927), (722, 1243610), (874, 1027330), (1444, 621805), (1748, 513665), (1805, 497444), (2185, 410932), (3610, 248722), (4370, 205466), (5407, 166060), (7220, 124361), (8303, 108140), (8740, 102733), (10814, 83030), (16606, 54070), (21628, 41515), (27035, 33212)]