49528700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1229}}^1$

素因数の和:1287

約数の個数: 72

約数和(自身を含む): 119575680

約数和(自身を除く): 70046980

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, 1229, 1300, 1550, 1612, 2015, 2458, 3100, 4030, 4916, 6145, 8060, 10075, 12290, 15977, 20150, 24580, 30725, 31954, 38099, 40300, 61450, 63908, 76198, 79885, 122900, 152396, 159770, 190495, 319540, 380990, 399425, 495287, 761980, 798850, 952475, 990574, 1597700, 1904950, 1981148, 2476435, 3809900, 4952870, 9905740, 12382175, 24764350, 49528700]

約数ペア:

[(1, 49528700), (2, 24764350), (4, 12382175), (5, 9905740), (10, 4952870), (13, 3809900), (20, 2476435), (25, 1981148), (26, 1904950), (31, 1597700), (50, 990574), (52, 952475), (62, 798850), (65, 761980), (100, 495287), (124, 399425), (130, 380990), (155, 319540), (260, 190495), (310, 159770), (325, 152396), (403, 122900), (620, 79885), (650, 76198), (775, 63908), (806, 61450), (1229, 40300), (1300, 38099), (1550, 31954), (1612, 30725), (2015, 24580), (2458, 20150), (3100, 15977), (4030, 12290), (4916, 10075), (6145, 8060)]