243344020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{15619}}^1$

素因数の和:15688

約数の個数: 48

約数和(自身を含む): 551073600

約数和(自身を除く): 307729580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 95, 164, 190, 205, 380, 410, 779, 820, 1558, 3116, 3895, 7790, 15580, 15619, 31238, 62476, 78095, 156190, 296761, 312380, 593522, 640379, 1187044, 1280758, 1483805, 2561516, 2967610, 3201895, 5935220, 6403790, 12167201, 12807580, 24334402, 48668804, 60836005, 121672010, 243344020]

約数ペア:

[(1, 243344020), (2, 121672010), (4, 60836005), (5, 48668804), (10, 24334402), (19, 12807580), (20, 12167201), (38, 6403790), (41, 5935220), (76, 3201895), (82, 2967610), (95, 2561516), (164, 1483805), (190, 1280758), (205, 1187044), (380, 640379), (410, 593522), (779, 312380), (820, 296761), (1558, 156190), (3116, 78095), (3895, 62476), (7790, 31238), (15580, 15619)]