189928960

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^2\times {\mathrm{439}}^1$

素因数の和:488

約数の個数: 120

約数和(自身を含む): 494231760

約数和(自身を除く): 304302800

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 169, 208, 256, 260, 320, 338, 416, 439, 512, 520, 640, 676, 832, 845, 878, 1040, 1280, 1352, 1664, 1690, 1756, 2080, 2195, 2560, 2704, 3328, 3380, 3512, 4160, 4390, 5408, 5707, 6656, 6760, 7024, 8320, 8780, 10816, 11414, 13520, 14048, 16640, 17560, 21632, 22828, 27040, 28096, 28535, 33280, 35120, 43264, 45656, 54080, 56192, 57070, 70240, 74191, 86528, 91312, 108160, 112384, 114140, 140480, 148382, 182624, 216320, 224768, 228280, 280960, 296764, 365248, 370955, 432640, 456560, 561920, 593528, 730496, 741910, 913120, 1123840, 1187056, 1460992, 1483820, 1826240, 2374112, 2921984, 2967640, 3652480, 4748224, 5935280, 7304960, 9496448, 11870560, 14609920, 18992896, 23741120, 37985792, 47482240, 94964480, 189928960]

約数ペア:

[(1, 189928960), (2, 94964480), (4, 47482240), (5, 37985792), (8, 23741120), (10, 18992896), (13, 14609920), (16, 11870560), (20, 9496448), (26, 7304960), (32, 5935280), (40, 4748224), (52, 3652480), (64, 2967640), (65, 2921984), (80, 2374112), (104, 1826240), (128, 1483820), (130, 1460992), (160, 1187056), (169, 1123840), (208, 913120), (256, 741910), (260, 730496), (320, 593528), (338, 561920), (416, 456560), (439, 432640), (512, 370955), (520, 365248), (640, 296764), (676, 280960), (832, 228280), (845, 224768), (878, 216320), (1040, 182624), (1280, 148382), (1352, 140480), (1664, 114140), (1690, 112384), (1756, 108160), (2080, 91312), (2195, 86528), (2560, 74191), (2704, 70240), (3328, 57070), (3380, 56192), (3512, 54080), (4160, 45656), (4390, 43264), (5408, 35120), (5707, 33280), (6656, 28535), (6760, 28096), (7024, 27040), (8320, 22828), (8780, 21632), (10816, 17560), (11414, 16640), (13520, 14048)]