169385860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{1259}}^1$

素因数の和:1337

約数の個数: 72

約数和(自身を含む): 420396480

約数和(自身を除く): 251010620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 961, 1085, 1259, 1922, 2170, 2518, 3844, 4340, 4805, 5036, 6295, 6727, 8813, 9610, 12590, 13454, 17626, 19220, 25180, 26908, 33635, 35252, 39029, 44065, 67270, 78058, 88130, 134540, 156116, 176260, 195145, 273203, 390290, 546406, 780580, 1092812, 1209899, 1366015, 2419798, 2732030, 4839596, 5464060, 6049495, 8469293, 12098990, 16938586, 24197980, 33877172, 42346465, 84692930, 169385860]

約数ペア:

[(1, 169385860), (2, 84692930), (4, 42346465), (5, 33877172), (7, 24197980), (10, 16938586), (14, 12098990), (20, 8469293), (28, 6049495), (31, 5464060), (35, 4839596), (62, 2732030), (70, 2419798), (124, 1366015), (140, 1209899), (155, 1092812), (217, 780580), (310, 546406), (434, 390290), (620, 273203), (868, 195145), (961, 176260), (1085, 156116), (1259, 134540), (1922, 88130), (2170, 78058), (2518, 67270), (3844, 44065), (4340, 39029), (4805, 35252), (5036, 33635), (6295, 26908), (6727, 25180), (8813, 19220), (9610, 17626), (12590, 13454)]