28870240

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{173}}^1$

素因数の和:344

約数の個数: 96

約数和(自身を含む): 78926400

約数和(自身を除く): 50056160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 149, 160, 173, 224, 280, 298, 346, 560, 596, 692, 745, 865, 1043, 1120, 1192, 1211, 1384, 1490, 1730, 2086, 2384, 2422, 2768, 2980, 3460, 4172, 4768, 4844, 5215, 5536, 5960, 6055, 6920, 8344, 9688, 10430, 11920, 12110, 13840, 16688, 19376, 20860, 23840, 24220, 25777, 27680, 33376, 38752, 41720, 48440, 51554, 83440, 96880, 103108, 128885, 166880, 180439, 193760, 206216, 257770, 360878, 412432, 515540, 721756, 824864, 902195, 1031080, 1443512, 1804390, 2062160, 2887024, 3608780, 4124320, 5774048, 7217560, 14435120, 28870240]

約数ペア:

[(1, 28870240), (2, 14435120), (4, 7217560), (5, 5774048), (7, 4124320), (8, 3608780), (10, 2887024), (14, 2062160), (16, 1804390), (20, 1443512), (28, 1031080), (32, 902195), (35, 824864), (40, 721756), (56, 515540), (70, 412432), (80, 360878), (112, 257770), (140, 206216), (149, 193760), (160, 180439), (173, 166880), (224, 128885), (280, 103108), (298, 96880), (346, 83440), (560, 51554), (596, 48440), (692, 41720), (745, 38752), (865, 33376), (1043, 27680), (1120, 25777), (1192, 24220), (1211, 23840), (1384, 20860), (1490, 19376), (1730, 16688), (2086, 13840), (2384, 12110), (2422, 11920), (2768, 10430), (2980, 9688), (3460, 8344), (4172, 6920), (4768, 6055), (4844, 5960), (5215, 5536)]