278350812

素因数分解:

$2^2\times 3^2\times {\mathrm{79}}^1\times {\mathrm{97}}^1\times {\mathrm{1009}}^1$

素因数の和:1195

約数の個数: 72

約数和(自身を含む): 720574400

約数和(自身を除く): 442223588

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 79, 97, 158, 194, 237, 291, 316, 388, 474, 582, 711, 873, 948, 1009, 1164, 1422, 1746, 2018, 2844, 3027, 3492, 4036, 6054, 7663, 9081, 12108, 15326, 18162, 22989, 30652, 36324, 45978, 68967, 79711, 91956, 97873, 137934, 159422, 195746, 239133, 275868, 293619, 318844, 391492, 478266, 587238, 717399, 880857, 956532, 1174476, 1434798, 1761714, 2869596, 3523428, 7731967, 15463934, 23195901, 30927868, 46391802, 69587703, 92783604, 139175406, 278350812]

約数ペア:

[(1, 278350812), (2, 139175406), (3, 92783604), (4, 69587703), (6, 46391802), (9, 30927868), (12, 23195901), (18, 15463934), (36, 7731967), (79, 3523428), (97, 2869596), (158, 1761714), (194, 1434798), (237, 1174476), (291, 956532), (316, 880857), (388, 717399), (474, 587238), (582, 478266), (711, 391492), (873, 318844), (948, 293619), (1009, 275868), (1164, 239133), (1422, 195746), (1746, 159422), (2018, 137934), (2844, 97873), (3027, 91956), (3492, 79711), (4036, 68967), (6054, 45978), (7663, 36324), (9081, 30652), (12108, 22989), (15326, 18162)]