235757480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{173}}^1$

素因数の和:379

約数の個数: 128

約数和(自身を含む): 633415680

約数和(自身を除く): 397658200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 157, 173, 217, 248, 280, 310, 314, 346, 434, 620, 628, 692, 785, 865, 868, 1085, 1099, 1211, 1240, 1256, 1384, 1570, 1730, 1736, 2170, 2198, 2422, 3140, 3460, 4340, 4396, 4844, 4867, 5363, 5495, 6055, 6280, 6920, 8680, 8792, 9688, 9734, 10726, 10990, 12110, 19468, 21452, 21980, 24220, 24335, 26815, 27161, 34069, 37541, 38936, 42904, 43960, 48440, 48670, 53630, 54322, 68138, 75082, 97340, 107260, 108644, 135805, 136276, 150164, 170345, 187705, 190127, 194680, 214520, 217288, 271610, 272552, 300328, 340690, 375410, 380254, 543220, 681380, 750820, 760508, 841991, 950635, 1086440, 1362760, 1501640, 1521016, 1683982, 1901270, 3367964, 3802540, 4209955, 5893937, 6735928, 7605080, 8419910, 11787874, 16839820, 23575748, 29469685, 33679640, 47151496, 58939370, 117878740, 235757480]

約数ペア:

[(1, 235757480), (2, 117878740), (4, 58939370), (5, 47151496), (7, 33679640), (8, 29469685), (10, 23575748), (14, 16839820), (20, 11787874), (28, 8419910), (31, 7605080), (35, 6735928), (40, 5893937), (56, 4209955), (62, 3802540), (70, 3367964), (124, 1901270), (140, 1683982), (155, 1521016), (157, 1501640), (173, 1362760), (217, 1086440), (248, 950635), (280, 841991), (310, 760508), (314, 750820), (346, 681380), (434, 543220), (620, 380254), (628, 375410), (692, 340690), (785, 300328), (865, 272552), (868, 271610), (1085, 217288), (1099, 214520), (1211, 194680), (1240, 190127), (1256, 187705), (1384, 170345), (1570, 150164), (1730, 136276), (1736, 135805), (2170, 108644), (2198, 107260), (2422, 97340), (3140, 75082), (3460, 68138), (4340, 54322), (4396, 53630), (4844, 48670), (4867, 48440), (5363, 43960), (5495, 42904), (6055, 38936), (6280, 37541), (6920, 34069), (8680, 27161), (8792, 26815), (9688, 24335), (9734, 24220), (10726, 21980), (10990, 21452), (12110, 19468)]