17240980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{769}}^1$

素因数の和:856

約数の個数: 48

約数和(自身を含む): 38808000

約数和(自身を除く): 21567020

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 59, 76, 95, 118, 190, 236, 295, 380, 590, 769, 1121, 1180, 1538, 2242, 3076, 3845, 4484, 5605, 7690, 11210, 14611, 15380, 22420, 29222, 45371, 58444, 73055, 90742, 146110, 181484, 226855, 292220, 453710, 862049, 907420, 1724098, 3448196, 4310245, 8620490, 17240980]

約数ペア:

[(1, 17240980), (2, 8620490), (4, 4310245), (5, 3448196), (10, 1724098), (19, 907420), (20, 862049), (38, 453710), (59, 292220), (76, 226855), (95, 181484), (118, 146110), (190, 90742), (236, 73055), (295, 58444), (380, 45371), (590, 29222), (769, 22420), (1121, 15380), (1180, 14611), (1538, 11210), (2242, 7690), (3076, 5605), (3845, 4484)]