85447775

素因数分解:

$5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{149}}^1$

素因数の和:308

約数の個数: 48

約数和(自身を含む): 127224000

約数和(自身を除く): 41776225

約数列:

[1, 5, 7, 25, 29, 35, 113, 145, 149, 175, 203, 565, 725, 745, 791, 1015, 1043, 2825, 3277, 3725, 3955, 4321, 5075, 5215, 16385, 16837, 19775, 21605, 22939, 26075, 30247, 81925, 84185, 108025, 114695, 117859, 151235, 420925, 488273, 573475, 589295, 756175, 2441365, 2946475, 3417911, 12206825, 17089555, 85447775]

約数ペア:

[(1, 85447775), (5, 17089555), (7, 12206825), (25, 3417911), (29, 2946475), (35, 2441365), (113, 756175), (145, 589295), (149, 573475), (175, 488273), (203, 420925), (565, 151235), (725, 117859), (745, 114695), (791, 108025), (1015, 84185), (1043, 81925), (2825, 30247), (3277, 26075), (3725, 22939), (3955, 21605), (4321, 19775), (5075, 16837), (5215, 16385)]