28503860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{223}}^1$

素因数の和:333

約数の個数: 96

約数和(自身を含む): 75866112

約数和(自身を除く): 47362252

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 83, 110, 140, 154, 166, 220, 223, 308, 332, 385, 415, 446, 581, 770, 830, 892, 913, 1115, 1162, 1540, 1561, 1660, 1826, 2230, 2324, 2453, 2905, 3122, 3652, 4460, 4565, 4906, 5810, 6244, 6391, 7805, 9130, 9812, 11620, 12265, 12782, 15610, 17171, 18260, 18509, 24530, 25564, 31220, 31955, 34342, 37018, 49060, 63910, 68684, 74036, 85855, 92545, 127820, 129563, 171710, 185090, 203599, 259126, 343420, 370180, 407198, 518252, 647815, 814396, 1017995, 1295630, 1425193, 2035990, 2591260, 2850386, 4071980, 5700772, 7125965, 14251930, 28503860]

約数ペア:

[(1, 28503860), (2, 14251930), (4, 7125965), (5, 5700772), (7, 4071980), (10, 2850386), (11, 2591260), (14, 2035990), (20, 1425193), (22, 1295630), (28, 1017995), (35, 814396), (44, 647815), (55, 518252), (70, 407198), (77, 370180), (83, 343420), (110, 259126), (140, 203599), (154, 185090), (166, 171710), (220, 129563), (223, 127820), (308, 92545), (332, 85855), (385, 74036), (415, 68684), (446, 63910), (581, 49060), (770, 37018), (830, 34342), (892, 31955), (913, 31220), (1115, 25564), (1162, 24530), (1540, 18509), (1561, 18260), (1660, 17171), (1826, 15610), (2230, 12782), (2324, 12265), (2453, 11620), (2905, 9812), (3122, 9130), (3652, 7805), (4460, 6391), (4565, 6244), (4906, 5810)]