2019988425

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{6883}}^1$

素因数の和:6959

約数の個数: 96

約数和(自身を含む): 4206619648

約数和(自身を除く): 2186631223

約数列:

[1, 3, 5, 7, 13, 15, 21, 25, 35, 39, 43, 65, 75, 91, 105, 129, 175, 195, 215, 273, 301, 325, 455, 525, 559, 645, 903, 975, 1075, 1365, 1505, 1677, 2275, 2795, 3225, 3913, 4515, 6825, 6883, 7525, 8385, 11739, 13975, 19565, 20649, 22575, 34415, 41925, 48181, 58695, 89479, 97825, 103245, 144543, 172075, 240905, 268437, 293475, 295969, 447395, 516225, 626353, 722715, 887907, 1204525, 1342185, 1479845, 1879059, 2071783, 2236975, 3131765, 3613575, 3847597, 4439535, 6215349, 6710925, 7399225, 9395295, 10358915, 11542791, 15658825, 19237985, 22197675, 26933179, 31076745, 46976475, 51794575, 57713955, 80799537, 96189925, 134665895, 155383725, 288569775, 403997685, 673329475, 2019988425]

約数ペア:

[(1, 2019988425), (3, 673329475), (5, 403997685), (7, 288569775), (13, 155383725), (15, 134665895), (21, 96189925), (25, 80799537), (35, 57713955), (39, 51794575), (43, 46976475), (65, 31076745), (75, 26933179), (91, 22197675), (105, 19237985), (129, 15658825), (175, 11542791), (195, 10358915), (215, 9395295), (273, 7399225), (301, 6710925), (325, 6215349), (455, 4439535), (525, 3847597), (559, 3613575), (645, 3131765), (903, 2236975), (975, 2071783), (1075, 1879059), (1365, 1479845), (1505, 1342185), (1677, 1204525), (2275, 887907), (2795, 722715), (3225, 626353), (3913, 516225), (4515, 447395), (6825, 295969), (6883, 293475), (7525, 268437), (8385, 240905), (11739, 172075), (13975, 144543), (19565, 103245), (20649, 97825), (22575, 89479), (34415, 58695), (41925, 48181)]