858702260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{863}}^1$

素因数の和:1017

約数の個数: 96

約数和(自身を含む): 2011806720

約数和(自身を除く): 1153104460

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 89, 130, 172, 178, 215, 260, 356, 430, 445, 559, 860, 863, 890, 1118, 1157, 1726, 1780, 2236, 2314, 2795, 3452, 3827, 4315, 4628, 5590, 5785, 7654, 8630, 11180, 11219, 11570, 15308, 17260, 19135, 22438, 23140, 37109, 38270, 44876, 49751, 56095, 74218, 76540, 76807, 99502, 112190, 148436, 153614, 185545, 199004, 224380, 248755, 307228, 371090, 384035, 482417, 497510, 742180, 768070, 964834, 995020, 998491, 1536140, 1929668, 1996982, 2412085, 3302701, 3993964, 4824170, 4992455, 6605402, 9648340, 9984910, 13210804, 16513505, 19969820, 33027010, 42935113, 66054020, 85870226, 171740452, 214675565, 429351130, 858702260]

約数ペア:

[(1, 858702260), (2, 429351130), (4, 214675565), (5, 171740452), (10, 85870226), (13, 66054020), (20, 42935113), (26, 33027010), (43, 19969820), (52, 16513505), (65, 13210804), (86, 9984910), (89, 9648340), (130, 6605402), (172, 4992455), (178, 4824170), (215, 3993964), (260, 3302701), (356, 2412085), (430, 1996982), (445, 1929668), (559, 1536140), (860, 998491), (863, 995020), (890, 964834), (1118, 768070), (1157, 742180), (1726, 497510), (1780, 482417), (2236, 384035), (2314, 371090), (2795, 307228), (3452, 248755), (3827, 224380), (4315, 199004), (4628, 185545), (5590, 153614), (5785, 148436), (7654, 112190), (8630, 99502), (11180, 76807), (11219, 76540), (11570, 74218), (15308, 56095), (17260, 49751), (19135, 44876), (22438, 38270), (23140, 37109)]