1223980190

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{1619}}^1$

素因数の和:1841

約数の個数: 64

約数和(自身を含む): 2435443200

約数和(自身を除く): 1211463010

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 95, 115, 173, 190, 230, 346, 437, 865, 874, 1619, 1730, 2185, 3238, 3287, 3979, 4370, 6574, 7958, 8095, 16190, 16435, 19895, 30761, 32870, 37237, 39790, 61522, 74474, 75601, 151202, 153805, 186185, 280087, 307610, 372370, 378005, 560174, 707503, 756010, 1400435, 1415006, 2800870, 3537515, 5321653, 6442001, 7075030, 10643306, 12884002, 26608265, 32210005, 53216530, 64420010, 122398019, 244796038, 611990095, 1223980190]

約数ペア:

[(1, 1223980190), (2, 611990095), (5, 244796038), (10, 122398019), (19, 64420010), (23, 53216530), (38, 32210005), (46, 26608265), (95, 12884002), (115, 10643306), (173, 7075030), (190, 6442001), (230, 5321653), (346, 3537515), (437, 2800870), (865, 1415006), (874, 1400435), (1619, 756010), (1730, 707503), (2185, 560174), (3238, 378005), (3287, 372370), (3979, 307610), (4370, 280087), (6574, 186185), (7958, 153805), (8095, 151202), (16190, 75601), (16435, 74474), (19895, 61522), (30761, 39790), (32870, 37237)]