268851140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{1619}}^1$

素因数の和:1689

約数の個数: 72

約数和(自身を含む): 622157760

約数和(自身を除く): 353306620

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, 1619, 1748, 1805, 2185, 3238, 3610, 4370, 6476, 7220, 8095, 8303, 8740, 16190, 16606, 30761, 32380, 33212, 37237, 41515, 61522, 74474, 83030, 123044, 148948, 153805, 166060, 186185, 307610, 372370, 584459, 615220, 707503, 744740, 1168918, 1415006, 2337836, 2830012, 2922295, 3537515, 5844590, 7075030, 11689180, 13442557, 14150060, 26885114, 53770228, 67212785, 134425570, 268851140]

約数ペア:

[(1, 268851140), (2, 134425570), (4, 67212785), (5, 53770228), (10, 26885114), (19, 14150060), (20, 13442557), (23, 11689180), (38, 7075030), (46, 5844590), (76, 3537515), (92, 2922295), (95, 2830012), (115, 2337836), (190, 1415006), (230, 1168918), (361, 744740), (380, 707503), (437, 615220), (460, 584459), (722, 372370), (874, 307610), (1444, 186185), (1619, 166060), (1748, 153805), (1805, 148948), (2185, 123044), (3238, 83030), (3610, 74474), (4370, 61522), (6476, 41515), (7220, 37237), (8095, 33212), (8303, 32380), (8740, 30761), (16190, 16606)]