31399550

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1$

素因数の和:202

約数の個数: 96

約数和(自身を含む): 73661952

約数和(自身を除く): 42262402

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 50, 65, 67, 70, 91, 103, 130, 134, 175, 182, 206, 325, 335, 350, 455, 469, 515, 650, 670, 721, 871, 910, 938, 1030, 1339, 1442, 1675, 1742, 2275, 2345, 2575, 2678, 3350, 3605, 4355, 4550, 4690, 5150, 6097, 6695, 6901, 7210, 8710, 9373, 11725, 12194, 13390, 13802, 18025, 18746, 21775, 23450, 30485, 33475, 34505, 36050, 43550, 46865, 48307, 60970, 66950, 69010, 89713, 93730, 96614, 152425, 172525, 179426, 234325, 241535, 304850, 345050, 448565, 468650, 483070, 627991, 897130, 1207675, 1255982, 2242825, 2415350, 3139955, 4485650, 6279910, 15699775, 31399550]

約数ペア:

[(1, 31399550), (2, 15699775), (5, 6279910), (7, 4485650), (10, 3139955), (13, 2415350), (14, 2242825), (25, 1255982), (26, 1207675), (35, 897130), (50, 627991), (65, 483070), (67, 468650), (70, 448565), (91, 345050), (103, 304850), (130, 241535), (134, 234325), (175, 179426), (182, 172525), (206, 152425), (325, 96614), (335, 93730), (350, 89713), (455, 69010), (469, 66950), (515, 60970), (650, 48307), (670, 46865), (721, 43550), (871, 36050), (910, 34505), (938, 33475), (1030, 30485), (1339, 23450), (1442, 21775), (1675, 18746), (1742, 18025), (2275, 13802), (2345, 13390), (2575, 12194), (2678, 11725), (3350, 9373), (3605, 8710), (4355, 7210), (4550, 6901), (4690, 6695), (5150, 6097)]