207900496

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:284

約数の個数: 80

約数和(自身を含む): 436043520

約数和(自身を除く): 228143024

約数列:

[1, 2, 4, 8, 16, 23, 46, 71, 73, 92, 109, 142, 146, 184, 218, 284, 292, 368, 436, 568, 584, 872, 1136, 1168, 1633, 1679, 1744, 2507, 3266, 3358, 5014, 5183, 6532, 6716, 7739, 7957, 10028, 10366, 13064, 13432, 15478, 15914, 20056, 20732, 26128, 26864, 30956, 31828, 40112, 41464, 61912, 63656, 82928, 119209, 123824, 127312, 177997, 183011, 238418, 355994, 366022, 476836, 564947, 711988, 732044, 953672, 1129894, 1423976, 1464088, 1907344, 2259788, 2847952, 2928176, 4519576, 9039152, 12993781, 25987562, 51975124, 103950248, 207900496]

約数ペア:

[(1, 207900496), (2, 103950248), (4, 51975124), (8, 25987562), (16, 12993781), (23, 9039152), (46, 4519576), (71, 2928176), (73, 2847952), (92, 2259788), (109, 1907344), (142, 1464088), (146, 1423976), (184, 1129894), (218, 953672), (284, 732044), (292, 711988), (368, 564947), (436, 476836), (568, 366022), (584, 355994), (872, 238418), (1136, 183011), (1168, 177997), (1633, 127312), (1679, 123824), (1744, 119209), (2507, 82928), (3266, 63656), (3358, 61912), (5014, 41464), (5183, 40112), (6532, 31828), (6716, 30956), (7739, 26864), (7957, 26128), (10028, 20732), (10366, 20056), (13064, 15914), (13432, 15478)]