280511448

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{20117}}^1$

素因数の和:20216

約数の個数: 64

約数和(自身を含む): 811157760

約数和(自身を除く): 530646312

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 83, 84, 166, 168, 249, 332, 498, 581, 664, 996, 1162, 1743, 1992, 2324, 3486, 4648, 6972, 13944, 20117, 40234, 60351, 80468, 120702, 140819, 160936, 241404, 281638, 422457, 482808, 563276, 844914, 1126552, 1669711, 1689828, 3339422, 3379656, 5009133, 6678844, 10018266, 11687977, 13357688, 20036532, 23375954, 35063931, 40073064, 46751908, 70127862, 93503816, 140255724, 280511448]

約数ペア:

[(1, 280511448), (2, 140255724), (3, 93503816), (4, 70127862), (6, 46751908), (7, 40073064), (8, 35063931), (12, 23375954), (14, 20036532), (21, 13357688), (24, 11687977), (28, 10018266), (42, 6678844), (56, 5009133), (83, 3379656), (84, 3339422), (166, 1689828), (168, 1669711), (249, 1126552), (332, 844914), (498, 563276), (581, 482808), (664, 422457), (996, 281638), (1162, 241404), (1743, 160936), (1992, 140819), (2324, 120702), (3486, 80468), (4648, 60351), (6972, 40234), (13944, 20117)]