331785005

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 450921600

約数和(自身を除く): 119136595

約数列:

[1, 5, 17, 23, 67, 85, 115, 149, 289, 335, 391, 745, 1139, 1445, 1541, 1955, 2533, 3427, 5695, 6647, 7705, 9983, 12665, 17135, 19363, 26197, 33235, 43061, 49915, 58259, 96815, 130985, 169711, 215305, 229609, 291295, 445349, 848555, 990403, 1148045, 2226745, 2885087, 3903353, 4952015, 14425435, 19516765, 66357001, 331785005]

約数ペア:

[(1, 331785005), (5, 66357001), (17, 19516765), (23, 14425435), (67, 4952015), (85, 3903353), (115, 2885087), (149, 2226745), (289, 1148045), (335, 990403), (391, 848555), (745, 445349), (1139, 291295), (1445, 229609), (1541, 215305), (1955, 169711), (2533, 130985), (3427, 96815), (5695, 58259), (6647, 49915), (7705, 43061), (9983, 33235), (12665, 26197), (17135, 19363)]