101999300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2531}}^1$

素因数の和:2589

約数の個数: 72

約数和(自身を含む): 246150912

約数和(自身を除く): 144151612

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 31, 50, 52, 62, 65, 100, 124, 130, 155, 260, 310, 325, 403, 620, 650, 775, 806, 1300, 1550, 1612, 2015, 2531, 3100, 4030, 5062, 8060, 10075, 10124, 12655, 20150, 25310, 32903, 40300, 50620, 63275, 65806, 78461, 126550, 131612, 156922, 164515, 253100, 313844, 329030, 392305, 658060, 784610, 822575, 1019993, 1569220, 1645150, 1961525, 2039986, 3290300, 3923050, 4079972, 5099965, 7846100, 10199930, 20399860, 25499825, 50999650, 101999300]

約数ペア:

[(1, 101999300), (2, 50999650), (4, 25499825), (5, 20399860), (10, 10199930), (13, 7846100), (20, 5099965), (25, 4079972), (26, 3923050), (31, 3290300), (50, 2039986), (52, 1961525), (62, 1645150), (65, 1569220), (100, 1019993), (124, 822575), (130, 784610), (155, 658060), (260, 392305), (310, 329030), (325, 313844), (403, 253100), (620, 164515), (650, 156922), (775, 131612), (806, 126550), (1300, 78461), (1550, 65806), (1612, 63275), (2015, 50620), (2531, 40300), (3100, 32903), (4030, 25310), (5062, 20150), (8060, 12655), (10075, 10124)]