148966475

素因数分解:

$5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{197}}^1$

素因数の和:392

約数の個数: 48

約数和(自身を含む): 220968000

約数和(自身を除く): 72001525

約数列:

[1, 5, 7, 25, 29, 35, 145, 149, 175, 197, 203, 725, 745, 985, 1015, 1043, 1379, 3725, 4321, 4925, 5075, 5215, 5713, 6895, 21605, 26075, 28565, 29353, 30247, 34475, 39991, 108025, 142825, 146765, 151235, 199955, 205471, 733825, 756175, 851237, 999775, 1027355, 4256185, 5136775, 5958659, 21280925, 29793295, 148966475]

約数ペア:

[(1, 148966475), (5, 29793295), (7, 21280925), (25, 5958659), (29, 5136775), (35, 4256185), (145, 1027355), (149, 999775), (175, 851237), (197, 756175), (203, 733825), (725, 205471), (745, 199955), (985, 151235), (1015, 146765), (1043, 142825), (1379, 108025), (3725, 39991), (4321, 34475), (4925, 30247), (5075, 29353), (5215, 28565), (5713, 26075), (6895, 21605)]