188995840

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{433}}^1$

素因数の和:496

約数の個数: 144

約数和(自身を含む): 510967296

約数和(自身を除く): 321971456

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 88, 110, 124, 128, 155, 160, 176, 220, 248, 256, 310, 320, 341, 352, 433, 440, 496, 620, 640, 682, 704, 866, 880, 992, 1240, 1280, 1364, 1408, 1705, 1732, 1760, 1984, 2165, 2480, 2728, 2816, 3410, 3464, 3520, 3968, 4330, 4763, 4960, 5456, 6820, 6928, 7040, 7936, 8660, 9526, 9920, 10912, 13423, 13640, 13856, 14080, 17320, 19052, 19840, 21824, 23815, 26846, 27280, 27712, 34640, 38104, 39680, 43648, 47630, 53692, 54560, 55424, 67115, 69280, 76208, 87296, 95260, 107384, 109120, 110848, 134230, 138560, 147653, 152416, 190520, 214768, 218240, 268460, 277120, 295306, 304832, 381040, 429536, 436480, 536920, 554240, 590612, 609664, 738265, 762080, 859072, 1073840, 1181224, 1219328, 1476530, 1524160, 1718144, 2147680, 2362448, 2953060, 3048320, 3436288, 4295360, 4724896, 5906120, 6096640, 8590720, 9449792, 11812240, 17181440, 18899584, 23624480, 37799168, 47248960, 94497920, 188995840]

約数ペア:

[(1, 188995840), (2, 94497920), (4, 47248960), (5, 37799168), (8, 23624480), (10, 18899584), (11, 17181440), (16, 11812240), (20, 9449792), (22, 8590720), (31, 6096640), (32, 5906120), (40, 4724896), (44, 4295360), (55, 3436288), (62, 3048320), (64, 2953060), (80, 2362448), (88, 2147680), (110, 1718144), (124, 1524160), (128, 1476530), (155, 1219328), (160, 1181224), (176, 1073840), (220, 859072), (248, 762080), (256, 738265), (310, 609664), (320, 590612), (341, 554240), (352, 536920), (433, 436480), (440, 429536), (496, 381040), (620, 304832), (640, 295306), (682, 277120), (704, 268460), (866, 218240), (880, 214768), (992, 190520), (1240, 152416), (1280, 147653), (1364, 138560), (1408, 134230), (1705, 110848), (1732, 109120), (1760, 107384), (1984, 95260), (2165, 87296), (2480, 76208), (2728, 69280), (2816, 67115), (3410, 55424), (3464, 54560), (3520, 53692), (3968, 47630), (4330, 43648), (4763, 39680), (4960, 38104), (5456, 34640), (6820, 27712), (6928, 27280), (7040, 26846), (7936, 23815), (8660, 21824), (9526, 19840), (9920, 19052), (10912, 17320), (13423, 14080), (13640, 13856)]