203411075

素因数分解:

$5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{269}}^1$

素因数の和:464

約数の個数: 48

約数和(自身を含む): 301320000

約数和(自身を除く): 97908925

約数列:

[1, 5, 7, 25, 29, 35, 145, 149, 175, 203, 269, 725, 745, 1015, 1043, 1345, 1883, 3725, 4321, 5075, 5215, 6725, 7801, 9415, 21605, 26075, 30247, 39005, 40081, 47075, 54607, 108025, 151235, 195025, 200405, 273035, 280567, 756175, 1002025, 1162349, 1365175, 1402835, 5811745, 7014175, 8136443, 29058725, 40682215, 203411075]

約数ペア:

[(1, 203411075), (5, 40682215), (7, 29058725), (25, 8136443), (29, 7014175), (35, 5811745), (145, 1402835), (149, 1365175), (175, 1162349), (203, 1002025), (269, 756175), (725, 280567), (745, 273035), (1015, 200405), (1043, 195025), (1345, 151235), (1883, 108025), (3725, 54607), (4321, 47075), (5075, 40081), (5215, 39005), (6725, 30247), (7801, 26075), (9415, 21605)]