190997120

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1$

素因数の和:290

約数の個数: 128

約数和(自身を含む): 488376000

約数和(自身を除く): 297378880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 113, 128, 139, 152, 160, 190, 226, 278, 304, 320, 380, 452, 556, 565, 608, 640, 695, 760, 904, 1112, 1130, 1216, 1390, 1520, 1808, 2147, 2224, 2260, 2432, 2641, 2780, 3040, 3616, 4294, 4448, 4520, 5282, 5560, 6080, 7232, 8588, 8896, 9040, 10564, 10735, 11120, 12160, 13205, 14464, 15707, 17176, 17792, 18080, 21128, 21470, 22240, 26410, 31414, 34352, 36160, 42256, 42940, 44480, 52820, 62828, 68704, 72320, 78535, 84512, 85880, 88960, 105640, 125656, 137408, 157070, 169024, 171760, 211280, 251312, 274816, 298433, 314140, 338048, 343520, 422560, 502624, 596866, 628280, 687040, 845120, 1005248, 1193732, 1256560, 1374080, 1492165, 1690240, 2010496, 2387464, 2513120, 2984330, 4774928, 5026240, 5968660, 9549856, 10052480, 11937320, 19099712, 23874640, 38199424, 47749280, 95498560, 190997120]

約数ペア:

[(1, 190997120), (2, 95498560), (4, 47749280), (5, 38199424), (8, 23874640), (10, 19099712), (16, 11937320), (19, 10052480), (20, 9549856), (32, 5968660), (38, 5026240), (40, 4774928), (64, 2984330), (76, 2513120), (80, 2387464), (95, 2010496), (113, 1690240), (128, 1492165), (139, 1374080), (152, 1256560), (160, 1193732), (190, 1005248), (226, 845120), (278, 687040), (304, 628280), (320, 596866), (380, 502624), (452, 422560), (556, 343520), (565, 338048), (608, 314140), (640, 298433), (695, 274816), (760, 251312), (904, 211280), (1112, 171760), (1130, 169024), (1216, 157070), (1390, 137408), (1520, 125656), (1808, 105640), (2147, 88960), (2224, 85880), (2260, 84512), (2432, 78535), (2641, 72320), (2780, 68704), (3040, 62828), (3616, 52820), (4294, 44480), (4448, 42940), (4520, 42256), (5282, 36160), (5560, 34352), (6080, 31414), (7232, 26410), (8588, 22240), (8896, 21470), (9040, 21128), (10564, 18080), (10735, 17792), (11120, 17176), (12160, 15707), (13205, 14464)]