231433840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{1453}}^1$

素因数の和:1658

約数の個数: 80

約数和(自身を含む): 590649696

約数和(自身を除く): 359215856

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 181, 220, 362, 440, 724, 880, 905, 1448, 1453, 1810, 1991, 2896, 2906, 3620, 3982, 5812, 7240, 7265, 7964, 9955, 11624, 14480, 14530, 15928, 15983, 19910, 23248, 29060, 31856, 31966, 39820, 58120, 63932, 79640, 79915, 116240, 127864, 159280, 159830, 255728, 262993, 319660, 525986, 639320, 1051972, 1278640, 1314965, 2103944, 2629930, 2892923, 4207888, 5259860, 5785846, 10519720, 11571692, 14464615, 21039440, 23143384, 28929230, 46286768, 57858460, 115716920, 231433840]

約数ペア:

[(1, 231433840), (2, 115716920), (4, 57858460), (5, 46286768), (8, 28929230), (10, 23143384), (11, 21039440), (16, 14464615), (20, 11571692), (22, 10519720), (40, 5785846), (44, 5259860), (55, 4207888), (80, 2892923), (88, 2629930), (110, 2103944), (176, 1314965), (181, 1278640), (220, 1051972), (362, 639320), (440, 525986), (724, 319660), (880, 262993), (905, 255728), (1448, 159830), (1453, 159280), (1810, 127864), (1991, 116240), (2896, 79915), (2906, 79640), (3620, 63932), (3982, 58120), (5812, 39820), (7240, 31966), (7265, 31856), (7964, 29060), (9955, 23248), (11624, 19910), (14480, 15983), (14530, 15928)]