194177920

素因数分解:

$2^7\times 5^1\times {\mathrm{127}}^1\times {\mathrm{2389}}^1$

素因数の和:2535

約数の個数: 64

約数和(自身を含む): 468057600

約数和(自身を除く): 273879680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 320, 508, 635, 640, 1016, 1270, 2032, 2389, 2540, 4064, 4778, 5080, 8128, 9556, 10160, 11945, 16256, 19112, 20320, 23890, 38224, 40640, 47780, 76448, 81280, 95560, 152896, 191120, 303403, 305792, 382240, 606806, 764480, 1213612, 1517015, 1528960, 2427224, 3034030, 4854448, 6068060, 9708896, 12136120, 19417792, 24272240, 38835584, 48544480, 97088960, 194177920]

約数ペア:

[(1, 194177920), (2, 97088960), (4, 48544480), (5, 38835584), (8, 24272240), (10, 19417792), (16, 12136120), (20, 9708896), (32, 6068060), (40, 4854448), (64, 3034030), (80, 2427224), (127, 1528960), (128, 1517015), (160, 1213612), (254, 764480), (320, 606806), (508, 382240), (635, 305792), (640, 303403), (1016, 191120), (1270, 152896), (2032, 95560), (2389, 81280), (2540, 76448), (4064, 47780), (4778, 40640), (5080, 38224), (8128, 23890), (9556, 20320), (10160, 19112), (11945, 16256)]