381369520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{491}}^1$

素因数の和:603

約数の個数: 160

約数和(自身を含む): 1083502080

約数和(自身を除く): 702132560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 73, 76, 80, 95, 112, 133, 140, 146, 152, 190, 266, 280, 292, 304, 365, 380, 491, 511, 532, 560, 584, 665, 730, 760, 982, 1022, 1064, 1168, 1330, 1387, 1460, 1520, 1964, 2044, 2128, 2455, 2555, 2660, 2774, 2920, 3437, 3928, 4088, 4910, 5110, 5320, 5548, 5840, 6874, 6935, 7856, 8176, 9329, 9709, 9820, 10220, 10640, 11096, 13748, 13870, 17185, 18658, 19418, 19640, 20440, 22192, 27496, 27740, 34370, 35843, 37316, 38836, 39280, 40880, 46645, 48545, 54992, 55480, 65303, 68740, 71686, 74632, 77672, 93290, 97090, 110960, 130606, 137480, 143372, 149264, 155344, 179215, 186580, 194180, 250901, 261212, 274960, 286744, 326515, 358430, 373160, 388360, 501802, 522424, 573488, 653030, 681017, 716860, 746320, 776720, 1003604, 1044848, 1254505, 1306060, 1362034, 1433720, 2007208, 2509010, 2612120, 2724068, 2867440, 3405085, 4014416, 4767119, 5018020, 5224240, 5448136, 6810170, 9534238, 10036040, 10896272, 13620340, 19068476, 20072080, 23835595, 27240680, 38136952, 47671190, 54481360, 76273904, 95342380, 190684760, 381369520]

約数ペア:

[(1, 381369520), (2, 190684760), (4, 95342380), (5, 76273904), (7, 54481360), (8, 47671190), (10, 38136952), (14, 27240680), (16, 23835595), (19, 20072080), (20, 19068476), (28, 13620340), (35, 10896272), (38, 10036040), (40, 9534238), (56, 6810170), (70, 5448136), (73, 5224240), (76, 5018020), (80, 4767119), (95, 4014416), (112, 3405085), (133, 2867440), (140, 2724068), (146, 2612120), (152, 2509010), (190, 2007208), (266, 1433720), (280, 1362034), (292, 1306060), (304, 1254505), (365, 1044848), (380, 1003604), (491, 776720), (511, 746320), (532, 716860), (560, 681017), (584, 653030), (665, 573488), (730, 522424), (760, 501802), (982, 388360), (1022, 373160), (1064, 358430), (1168, 326515), (1330, 286744), (1387, 274960), (1460, 261212), (1520, 250901), (1964, 194180), (2044, 186580), (2128, 179215), (2455, 155344), (2555, 149264), (2660, 143372), (2774, 137480), (2920, 130606), (3437, 110960), (3928, 97090), (4088, 93290), (4910, 77672), (5110, 74632), (5320, 71686), (5548, 68740), (5840, 65303), (6874, 55480), (6935, 54992), (7856, 48545), (8176, 46645), (9329, 40880), (9709, 39280), (9820, 38836), (10220, 37316), (10640, 35843), (11096, 34370), (13748, 27740), (13870, 27496), (17185, 22192), (18658, 20440), (19418, 19640)]