189514480

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{811}}^1$

素因数の和:974

約数の個数: 80

約数和(自身を含む): 463970304

約数和(自身を除く): 274455824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 127, 184, 230, 254, 368, 460, 508, 635, 811, 920, 1016, 1270, 1622, 1840, 2032, 2540, 2921, 3244, 4055, 5080, 5842, 6488, 8110, 10160, 11684, 12976, 14605, 16220, 18653, 23368, 29210, 32440, 37306, 46736, 58420, 64880, 74612, 93265, 102997, 116840, 149224, 186530, 205994, 233680, 298448, 373060, 411988, 514985, 746120, 823976, 1029970, 1492240, 1647952, 2059940, 2368931, 4119880, 4737862, 8239760, 9475724, 11844655, 18951448, 23689310, 37902896, 47378620, 94757240, 189514480]

約数ペア:

[(1, 189514480), (2, 94757240), (4, 47378620), (5, 37902896), (8, 23689310), (10, 18951448), (16, 11844655), (20, 9475724), (23, 8239760), (40, 4737862), (46, 4119880), (80, 2368931), (92, 2059940), (115, 1647952), (127, 1492240), (184, 1029970), (230, 823976), (254, 746120), (368, 514985), (460, 411988), (508, 373060), (635, 298448), (811, 233680), (920, 205994), (1016, 186530), (1270, 149224), (1622, 116840), (1840, 102997), (2032, 93265), (2540, 74612), (2921, 64880), (3244, 58420), (4055, 46736), (5080, 37306), (5842, 32440), (6488, 29210), (8110, 23368), (10160, 18653), (11684, 16220), (12976, 14605)]