201719300

素因数分解:

$2^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{167}}^1\times {\mathrm{257}}^1$

素因数の和:485

約数の個数: 72

約数和(自身を含む): 451471104

約数和(自身を除く): 249751804

約数列:

[1, 2, 4, 5, 10, 20, 25, 47, 50, 94, 100, 167, 188, 235, 257, 334, 470, 514, 668, 835, 940, 1028, 1175, 1285, 1670, 2350, 2570, 3340, 4175, 4700, 5140, 6425, 7849, 8350, 12079, 12850, 15698, 16700, 24158, 25700, 31396, 39245, 42919, 48316, 60395, 78490, 85838, 120790, 156980, 171676, 196225, 214595, 241580, 301975, 392450, 429190, 603950, 784900, 858380, 1072975, 1207900, 2017193, 2145950, 4034386, 4291900, 8068772, 10085965, 20171930, 40343860, 50429825, 100859650, 201719300]

約数ペア:

[(1, 201719300), (2, 100859650), (4, 50429825), (5, 40343860), (10, 20171930), (20, 10085965), (25, 8068772), (47, 4291900), (50, 4034386), (94, 2145950), (100, 2017193), (167, 1207900), (188, 1072975), (235, 858380), (257, 784900), (334, 603950), (470, 429190), (514, 392450), (668, 301975), (835, 241580), (940, 214595), (1028, 196225), (1175, 171676), (1285, 156980), (1670, 120790), (2350, 85838), (2570, 78490), (3340, 60395), (4175, 48316), (4700, 42919), (5140, 39245), (6425, 31396), (7849, 25700), (8350, 24158), (12079, 16700), (12850, 15698)]