289654420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{257}}^1$

素因数の和:433

約数の個数: 96

約数和(自身を含む): 686568960

約数和(自身を除く): 396914540

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 109, 110, 188, 218, 220, 235, 257, 436, 470, 514, 517, 545, 940, 1028, 1034, 1090, 1199, 1285, 2068, 2180, 2398, 2570, 2585, 2827, 4796, 5123, 5140, 5170, 5654, 5995, 10246, 10340, 11308, 11990, 12079, 14135, 20492, 23980, 24158, 25615, 28013, 28270, 48316, 51230, 56026, 56353, 56540, 60395, 102460, 112052, 112706, 120790, 132869, 140065, 225412, 241580, 265738, 280130, 281765, 308143, 531476, 560260, 563530, 616286, 664345, 1127060, 1232572, 1316611, 1328690, 1540715, 2633222, 2657380, 3081430, 5266444, 6162860, 6583055, 13166110, 14482721, 26332220, 28965442, 57930884, 72413605, 144827210, 289654420]

約数ペア:

[(1, 289654420), (2, 144827210), (4, 72413605), (5, 57930884), (10, 28965442), (11, 26332220), (20, 14482721), (22, 13166110), (44, 6583055), (47, 6162860), (55, 5266444), (94, 3081430), (109, 2657380), (110, 2633222), (188, 1540715), (218, 1328690), (220, 1316611), (235, 1232572), (257, 1127060), (436, 664345), (470, 616286), (514, 563530), (517, 560260), (545, 531476), (940, 308143), (1028, 281765), (1034, 280130), (1090, 265738), (1199, 241580), (1285, 225412), (2068, 140065), (2180, 132869), (2398, 120790), (2570, 112706), (2585, 112052), (2827, 102460), (4796, 60395), (5123, 56540), (5140, 56353), (5170, 56026), (5654, 51230), (5995, 48316), (10246, 28270), (10340, 28013), (11308, 25615), (11990, 24158), (12079, 23980), (14135, 20492)]