89609240

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{349}}^1$

素因数の和:505

約数の個数: 96

約数和(自身を含む): 237006000

約数和(自身を除く): 147396760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 131, 140, 196, 245, 262, 280, 349, 392, 490, 524, 655, 698, 917, 980, 1048, 1310, 1396, 1745, 1834, 1960, 2443, 2620, 2792, 3490, 3668, 4585, 4886, 5240, 6419, 6980, 7336, 9170, 9772, 12215, 12838, 13960, 17101, 18340, 19544, 24430, 25676, 32095, 34202, 36680, 45719, 48860, 51352, 64190, 68404, 85505, 91438, 97720, 128380, 136808, 171010, 182876, 228595, 256760, 320033, 342020, 365752, 457190, 640066, 684040, 914380, 1280132, 1600165, 1828760, 2240231, 2560264, 3200330, 4480462, 6400660, 8960924, 11201155, 12801320, 17921848, 22402310, 44804620, 89609240]

約数ペア:

[(1, 89609240), (2, 44804620), (4, 22402310), (5, 17921848), (7, 12801320), (8, 11201155), (10, 8960924), (14, 6400660), (20, 4480462), (28, 3200330), (35, 2560264), (40, 2240231), (49, 1828760), (56, 1600165), (70, 1280132), (98, 914380), (131, 684040), (140, 640066), (196, 457190), (245, 365752), (262, 342020), (280, 320033), (349, 256760), (392, 228595), (490, 182876), (524, 171010), (655, 136808), (698, 128380), (917, 97720), (980, 91438), (1048, 85505), (1310, 68404), (1396, 64190), (1745, 51352), (1834, 48860), (1960, 45719), (2443, 36680), (2620, 34202), (2792, 32095), (3490, 25676), (3668, 24430), (4585, 19544), (4886, 18340), (5240, 17101), (6419, 13960), (6980, 12838), (7336, 12215), (9170, 9772)]