20151950

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:178

約数の個数: 96

約数和(自身を含む): 47663616

約数和(自身を除く): 27511666

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 43, 50, 65, 70, 86, 91, 103, 130, 175, 182, 206, 215, 301, 325, 350, 430, 455, 515, 559, 602, 650, 721, 910, 1030, 1075, 1118, 1339, 1442, 1505, 2150, 2275, 2575, 2678, 2795, 3010, 3605, 3913, 4429, 4550, 5150, 5590, 6695, 7210, 7525, 7826, 8858, 9373, 13390, 13975, 15050, 18025, 18746, 19565, 22145, 27950, 31003, 33475, 36050, 39130, 44290, 46865, 57577, 62006, 66950, 93730, 97825, 110725, 115154, 155015, 195650, 221450, 234325, 287885, 310030, 403039, 468650, 575770, 775075, 806078, 1439425, 1550150, 2015195, 2878850, 4030390, 10075975, 20151950]

約数ペア:

[(1, 20151950), (2, 10075975), (5, 4030390), (7, 2878850), (10, 2015195), (13, 1550150), (14, 1439425), (25, 806078), (26, 775075), (35, 575770), (43, 468650), (50, 403039), (65, 310030), (70, 287885), (86, 234325), (91, 221450), (103, 195650), (130, 155015), (175, 115154), (182, 110725), (206, 97825), (215, 93730), (301, 66950), (325, 62006), (350, 57577), (430, 46865), (455, 44290), (515, 39130), (559, 36050), (602, 33475), (650, 31003), (721, 27950), (910, 22145), (1030, 19565), (1075, 18746), (1118, 18025), (1339, 15050), (1442, 13975), (1505, 13390), (2150, 9373), (2275, 8858), (2575, 7826), (2678, 7525), (2795, 7210), (3010, 6695), (3605, 5590), (3913, 5150), (4429, 4550)]