812648020

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:361

約数の個数: 96

約数和(自身を含む): 1805037696

約数和(自身を除く): 992389676

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 83, 101, 131, 148, 166, 185, 202, 262, 332, 370, 404, 415, 505, 524, 655, 740, 830, 1010, 1310, 1660, 2020, 2620, 3071, 3737, 4847, 6142, 7474, 8383, 9694, 10873, 12284, 13231, 14948, 15355, 16766, 18685, 19388, 21746, 24235, 26462, 30710, 33532, 37370, 41915, 43492, 48470, 52924, 54365, 61420, 66155, 74740, 83830, 96940, 108730, 132310, 167660, 217460, 264620, 310171, 402301, 489547, 620342, 804602, 979094, 1098173, 1240684, 1550855, 1609204, 1958188, 2011505, 2196346, 2447735, 3101710, 4023010, 4392692, 4895470, 5490865, 6203420, 8046020, 9790940, 10981730, 21963460, 40632401, 81264802, 162529604, 203162005, 406324010, 812648020]

約数ペア:

[(1, 812648020), (2, 406324010), (4, 203162005), (5, 162529604), (10, 81264802), (20, 40632401), (37, 21963460), (74, 10981730), (83, 9790940), (101, 8046020), (131, 6203420), (148, 5490865), (166, 4895470), (185, 4392692), (202, 4023010), (262, 3101710), (332, 2447735), (370, 2196346), (404, 2011505), (415, 1958188), (505, 1609204), (524, 1550855), (655, 1240684), (740, 1098173), (830, 979094), (1010, 804602), (1310, 620342), (1660, 489547), (2020, 402301), (2620, 310171), (3071, 264620), (3737, 217460), (4847, 167660), (6142, 132310), (7474, 108730), (8383, 96940), (9694, 83830), (10873, 74740), (12284, 66155), (13231, 61420), (14948, 54365), (15355, 52924), (16766, 48470), (18685, 43492), (19388, 41915), (21746, 37370), (24235, 33532), (26462, 30710)]