387788120

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{4441}}^1$

素因数の和:4548

約数の個数: 64

約数和(自身を含む): 911498400

約数和(自身を除く): 523710280

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 59, 74, 118, 148, 185, 236, 295, 296, 370, 472, 590, 740, 1180, 1480, 2183, 2360, 4366, 4441, 8732, 8882, 10915, 17464, 17764, 21830, 22205, 35528, 43660, 44410, 87320, 88820, 164317, 177640, 262019, 328634, 524038, 657268, 821585, 1048076, 1310095, 1314536, 1643170, 2096152, 2620190, 3286340, 5240380, 6572680, 9694703, 10480760, 19389406, 38778812, 48473515, 77557624, 96947030, 193894060, 387788120]

約数ペア:

[(1, 387788120), (2, 193894060), (4, 96947030), (5, 77557624), (8, 48473515), (10, 38778812), (20, 19389406), (37, 10480760), (40, 9694703), (59, 6572680), (74, 5240380), (118, 3286340), (148, 2620190), (185, 2096152), (236, 1643170), (295, 1314536), (296, 1310095), (370, 1048076), (472, 821585), (590, 657268), (740, 524038), (1180, 328634), (1480, 262019), (2183, 177640), (2360, 164317), (4366, 88820), (4441, 87320), (8732, 44410), (8882, 43660), (10915, 35528), (17464, 22205), (17764, 21830)]