390579105

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:263

約数の個数: 128

約数和(自身を含む): 800870400

約数和(自身を除く): 410291295

約数列:

[1, 3, 5, 7, 15, 19, 21, 29, 35, 43, 57, 87, 95, 105, 129, 133, 145, 157, 203, 215, 285, 301, 399, 435, 471, 551, 609, 645, 665, 785, 817, 903, 1015, 1099, 1247, 1505, 1653, 1995, 2355, 2451, 2755, 2983, 3045, 3297, 3741, 3857, 4085, 4515, 4553, 5495, 5719, 6235, 6751, 8265, 8729, 8949, 11571, 12255, 13659, 14915, 16485, 17157, 18705, 19285, 20253, 20881, 22765, 23693, 26187, 28595, 31871, 33755, 43645, 44745, 47257, 57855, 62643, 68295, 71079, 85785, 86507, 95613, 101265, 104405, 118465, 128269, 130935, 141771, 159355, 165851, 195779, 236285, 259521, 313215, 355395, 384807, 432535, 478065, 497553, 587337, 605549, 641345, 708855, 829255, 897883, 978895, 1297605, 1370453, 1816647, 1924035, 2487765, 2693649, 2936685, 3027745, 3719801, 4111359, 4489415, 6852265, 9083235, 11159403, 13468245, 18599005, 20556795, 26038607, 55797015, 78115821, 130193035, 390579105]

約数ペア:

[(1, 390579105), (3, 130193035), (5, 78115821), (7, 55797015), (15, 26038607), (19, 20556795), (21, 18599005), (29, 13468245), (35, 11159403), (43, 9083235), (57, 6852265), (87, 4489415), (95, 4111359), (105, 3719801), (129, 3027745), (133, 2936685), (145, 2693649), (157, 2487765), (203, 1924035), (215, 1816647), (285, 1370453), (301, 1297605), (399, 978895), (435, 897883), (471, 829255), (551, 708855), (609, 641345), (645, 605549), (665, 587337), (785, 497553), (817, 478065), (903, 432535), (1015, 384807), (1099, 355395), (1247, 313215), (1505, 259521), (1653, 236285), (1995, 195779), (2355, 165851), (2451, 159355), (2755, 141771), (2983, 130935), (3045, 128269), (3297, 118465), (3741, 104405), (3857, 101265), (4085, 95613), (4515, 86507), (4553, 85785), (5495, 71079), (5719, 68295), (6235, 62643), (6751, 57855), (8265, 47257), (8729, 44745), (8949, 43645), (11571, 33755), (12255, 31871), (13659, 28595), (14915, 26187), (16485, 23693), (17157, 22765), (18705, 20881), (19285, 20253)]