49286900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1223}}^1$

素因数の和:1281

約数の個数: 72

約数和(自身を含む): 118992384

約数和(自身を除く): 69705484

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, 1223, 1300, 1550, 1612, 2015, 2446, 3100, 4030, 4892, 6115, 8060, 10075, 12230, 15899, 20150, 24460, 30575, 31798, 37913, 40300, 61150, 63596, 75826, 79495, 122300, 151652, 158990, 189565, 317980, 379130, 397475, 492869, 758260, 794950, 947825, 985738, 1589900, 1895650, 1971476, 2464345, 3791300, 4928690, 9857380, 12321725, 24643450, 49286900]

約数ペア:

[(1, 49286900), (2, 24643450), (4, 12321725), (5, 9857380), (10, 4928690), (13, 3791300), (20, 2464345), (25, 1971476), (26, 1895650), (31, 1589900), (50, 985738), (52, 947825), (62, 794950), (65, 758260), (100, 492869), (124, 397475), (130, 379130), (155, 317980), (260, 189565), (310, 158990), (325, 151652), (403, 122300), (620, 79495), (650, 75826), (775, 63596), (806, 61150), (1223, 40300), (1300, 37913), (1550, 31798), (1612, 30575), (2015, 24460), (2446, 20150), (3100, 15899), (4030, 12230), (4892, 10075), (6115, 8060)]