168940476

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{4049}}^1$

素因数の和:4139

約数の個数: 72

約数和(自身を含む): 457002000

約数和(自身を除く): 288061524

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 61, 76, 114, 122, 171, 183, 228, 244, 342, 366, 549, 684, 732, 1098, 1159, 2196, 2318, 3477, 4049, 4636, 6954, 8098, 10431, 12147, 13908, 16196, 20862, 24294, 36441, 41724, 48588, 72882, 76931, 145764, 153862, 230793, 246989, 307724, 461586, 493978, 692379, 740967, 923172, 987956, 1384758, 1481934, 2222901, 2769516, 2963868, 4445802, 4692791, 8891604, 9385582, 14078373, 18771164, 28156746, 42235119, 56313492, 84470238, 168940476]

約数ペア:

[(1, 168940476), (2, 84470238), (3, 56313492), (4, 42235119), (6, 28156746), (9, 18771164), (12, 14078373), (18, 9385582), (19, 8891604), (36, 4692791), (38, 4445802), (57, 2963868), (61, 2769516), (76, 2222901), (114, 1481934), (122, 1384758), (171, 987956), (183, 923172), (228, 740967), (244, 692379), (342, 493978), (366, 461586), (549, 307724), (684, 246989), (732, 230793), (1098, 153862), (1159, 145764), (2196, 76931), (2318, 72882), (3477, 48588), (4049, 41724), (4636, 36441), (6954, 24294), (8098, 20862), (10431, 16196), (12147, 13908)]