7487140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{61}}^1$

素因数の和:125

約数の個数: 72

約数和(自身を含む): 17858232

約数和(自身を除く): 10371092

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 61, 68, 76, 85, 95, 122, 170, 190, 244, 305, 323, 340, 361, 380, 610, 646, 722, 1037, 1159, 1220, 1292, 1444, 1615, 1805, 2074, 2318, 3230, 3610, 4148, 4636, 5185, 5795, 6137, 6460, 7220, 10370, 11590, 12274, 19703, 20740, 22021, 23180, 24548, 30685, 39406, 44042, 61370, 78812, 88084, 98515, 110105, 122740, 197030, 220210, 374357, 394060, 440420, 748714, 1497428, 1871785, 3743570, 7487140]

約数ペア:

[(1, 7487140), (2, 3743570), (4, 1871785), (5, 1497428), (10, 748714), (17, 440420), (19, 394060), (20, 374357), (34, 220210), (38, 197030), (61, 122740), (68, 110105), (76, 98515), (85, 88084), (95, 78812), (122, 61370), (170, 44042), (190, 39406), (244, 30685), (305, 24548), (323, 23180), (340, 22021), (361, 20740), (380, 19703), (610, 12274), (646, 11590), (722, 10370), (1037, 7220), (1159, 6460), (1220, 6137), (1292, 5795), (1444, 5185), (1615, 4636), (1805, 4148), (2074, 3610), (2318, 3230)]