280135492

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{33461}}^1$

素因数の和:33508

約数の個数: 48

約数和(自身を含む): 629620992

約数和(自身を除く): 349485500

約数列:

[1, 2, 4, 7, 13, 14, 23, 26, 28, 46, 52, 91, 92, 161, 182, 299, 322, 364, 598, 644, 1196, 2093, 4186, 8372, 33461, 66922, 133844, 234227, 434993, 468454, 769603, 869986, 936908, 1539206, 1739972, 3044951, 3078412, 5387221, 6089902, 10004839, 10774442, 12179804, 20009678, 21548884, 40019356, 70033873, 140067746, 280135492]

約数ペア:

[(1, 280135492), (2, 140067746), (4, 70033873), (7, 40019356), (13, 21548884), (14, 20009678), (23, 12179804), (26, 10774442), (28, 10004839), (46, 6089902), (52, 5387221), (91, 3078412), (92, 3044951), (161, 1739972), (182, 1539206), (299, 936908), (322, 869986), (364, 769603), (598, 468454), (644, 434993), (1196, 234227), (2093, 133844), (4186, 66922), (8372, 33461)]