201208040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{431}}^1\times {\mathrm{1061}}^1$

素因数の和:1514

約数の個数: 64

約数和(自身を含む): 495486720

約数和(自身を除く): 294278680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 431, 440, 862, 1061, 1724, 2122, 2155, 3448, 4244, 4310, 4741, 5305, 8488, 8620, 9482, 10610, 11671, 17240, 18964, 21220, 23342, 23705, 37928, 42440, 46684, 47410, 58355, 93368, 94820, 116710, 189640, 233420, 457291, 466840, 914582, 1829164, 2286455, 3658328, 4572910, 5030201, 9145820, 10060402, 18291640, 20120804, 25151005, 40241608, 50302010, 100604020, 201208040]

約数ペア:

[(1, 201208040), (2, 100604020), (4, 50302010), (5, 40241608), (8, 25151005), (10, 20120804), (11, 18291640), (20, 10060402), (22, 9145820), (40, 5030201), (44, 4572910), (55, 3658328), (88, 2286455), (110, 1829164), (220, 914582), (431, 466840), (440, 457291), (862, 233420), (1061, 189640), (1724, 116710), (2122, 94820), (2155, 93368), (3448, 58355), (4244, 47410), (4310, 46684), (4741, 42440), (5305, 37928), (8488, 23705), (8620, 23342), (9482, 21220), (10610, 18964), (11671, 17240)]