201439550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{769}}^1$

素因数の和:838

約数の個数: 72

約数和(自身を含む): 419348160

約数和(自身を除く): 217908610

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 130, 155, 169, 310, 325, 338, 403, 650, 769, 775, 806, 845, 1538, 1550, 1690, 2015, 3845, 4030, 4225, 5239, 7690, 8450, 9997, 10075, 10478, 19225, 19994, 20150, 23839, 26195, 38450, 47678, 49985, 52390, 99970, 119195, 129961, 130975, 238390, 249925, 259922, 261950, 309907, 499850, 595975, 619814, 649805, 1191950, 1299610, 1549535, 3099070, 3249025, 4028791, 6498050, 7747675, 8057582, 15495350, 20143955, 40287910, 100719775, 201439550]

約数ペア:

[(1, 201439550), (2, 100719775), (5, 40287910), (10, 20143955), (13, 15495350), (25, 8057582), (26, 7747675), (31, 6498050), (50, 4028791), (62, 3249025), (65, 3099070), (130, 1549535), (155, 1299610), (169, 1191950), (310, 649805), (325, 619814), (338, 595975), (403, 499850), (650, 309907), (769, 261950), (775, 259922), (806, 249925), (845, 238390), (1538, 130975), (1550, 129961), (1690, 119195), (2015, 99970), (3845, 52390), (4030, 49985), (4225, 47678), (5239, 38450), (7690, 26195), (8450, 23839), (9997, 20150), (10075, 19994), (10478, 19225)]