205061120

素因数分解:

$2^{10}\times 5^1\times {\mathrm{11}}^2\times {\mathrm{331}}^1$

素因数の和:378

約数の個数: 132

約数和(自身を含む): 542323992

約数和(自身を除く): 337262872

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 121, 128, 160, 176, 220, 242, 256, 320, 331, 352, 440, 484, 512, 605, 640, 662, 704, 880, 968, 1024, 1210, 1280, 1324, 1408, 1655, 1760, 1936, 2420, 2560, 2648, 2816, 3310, 3520, 3641, 3872, 4840, 5120, 5296, 5632, 6620, 7040, 7282, 7744, 9680, 10592, 11264, 13240, 14080, 14564, 15488, 18205, 19360, 21184, 26480, 28160, 29128, 30976, 36410, 38720, 40051, 42368, 52960, 56320, 58256, 61952, 72820, 77440, 80102, 84736, 105920, 116512, 123904, 145640, 154880, 160204, 169472, 200255, 211840, 233024, 291280, 309760, 320408, 338944, 400510, 423680, 466048, 582560, 619520, 640816, 801020, 847360, 932096, 1165120, 1281632, 1602040, 1694720, 1864192, 2330240, 2563264, 3204080, 3728384, 4660480, 5126528, 6408160, 9320960, 10253056, 12816320, 18641920, 20506112, 25632640, 41012224, 51265280, 102530560, 205061120]

約数ペア:

[(1, 205061120), (2, 102530560), (4, 51265280), (5, 41012224), (8, 25632640), (10, 20506112), (11, 18641920), (16, 12816320), (20, 10253056), (22, 9320960), (32, 6408160), (40, 5126528), (44, 4660480), (55, 3728384), (64, 3204080), (80, 2563264), (88, 2330240), (110, 1864192), (121, 1694720), (128, 1602040), (160, 1281632), (176, 1165120), (220, 932096), (242, 847360), (256, 801020), (320, 640816), (331, 619520), (352, 582560), (440, 466048), (484, 423680), (512, 400510), (605, 338944), (640, 320408), (662, 309760), (704, 291280), (880, 233024), (968, 211840), (1024, 200255), (1210, 169472), (1280, 160204), (1324, 154880), (1408, 145640), (1655, 123904), (1760, 116512), (1936, 105920), (2420, 84736), (2560, 80102), (2648, 77440), (2816, 72820), (3310, 61952), (3520, 58256), (3641, 56320), (3872, 52960), (4840, 42368), (5120, 40051), (5296, 38720), (5632, 36410), (6620, 30976), (7040, 29128), (7282, 28160), (7744, 26480), (9680, 21184), (10592, 19360), (11264, 18205), (13240, 15488), (14080, 14564)]