196615280

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{257}}^1$

素因数の和:474

約数の個数: 80

約数和(自身を含む): 468746784

約数和(自身を除く): 272131504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 131, 146, 257, 262, 292, 365, 514, 524, 584, 655, 730, 1028, 1048, 1168, 1285, 1310, 1460, 2056, 2096, 2570, 2620, 2920, 4112, 5140, 5240, 5840, 9563, 10280, 10480, 18761, 19126, 20560, 33667, 37522, 38252, 47815, 67334, 75044, 76504, 93805, 95630, 134668, 150088, 153008, 168335, 187610, 191260, 269336, 300176, 336670, 375220, 382520, 538672, 673340, 750440, 765040, 1346680, 1500880, 2457691, 2693360, 4915382, 9830764, 12288455, 19661528, 24576910, 39323056, 49153820, 98307640, 196615280]

約数ペア:

[(1, 196615280), (2, 98307640), (4, 49153820), (5, 39323056), (8, 24576910), (10, 19661528), (16, 12288455), (20, 9830764), (40, 4915382), (73, 2693360), (80, 2457691), (131, 1500880), (146, 1346680), (257, 765040), (262, 750440), (292, 673340), (365, 538672), (514, 382520), (524, 375220), (584, 336670), (655, 300176), (730, 269336), (1028, 191260), (1048, 187610), (1168, 168335), (1285, 153008), (1310, 150088), (1460, 134668), (2056, 95630), (2096, 93805), (2570, 76504), (2620, 75044), (2920, 67334), (4112, 47815), (5140, 38252), (5240, 37522), (5840, 33667), (9563, 20560), (10280, 19126), (10480, 18761)]