28719750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{149}}^1\times {\mathrm{257}}^1$

素因数の和:426

約数の個数: 64

約数和(自身を含む): 72446400

約数和(自身を除く): 43726650

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 125, 149, 150, 250, 257, 298, 375, 447, 514, 745, 750, 771, 894, 1285, 1490, 1542, 2235, 2570, 3725, 3855, 4470, 6425, 7450, 7710, 11175, 12850, 18625, 19275, 22350, 32125, 37250, 38293, 38550, 55875, 64250, 76586, 96375, 111750, 114879, 191465, 192750, 229758, 382930, 574395, 957325, 1148790, 1914650, 2871975, 4786625, 5743950, 9573250, 14359875, 28719750]

約数ペア:

[(1, 28719750), (2, 14359875), (3, 9573250), (5, 5743950), (6, 4786625), (10, 2871975), (15, 1914650), (25, 1148790), (30, 957325), (50, 574395), (75, 382930), (125, 229758), (149, 192750), (150, 191465), (250, 114879), (257, 111750), (298, 96375), (375, 76586), (447, 64250), (514, 55875), (745, 38550), (750, 38293), (771, 37250), (894, 32125), (1285, 22350), (1490, 19275), (1542, 18625), (2235, 12850), (2570, 11175), (3725, 7710), (3855, 7450), (4470, 6425)]