306207860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{167}}^1\times {\mathrm{1871}}^1$

素因数の和:2061

約数の個数: 72

約数和(自身を含む): 752903424

約数和(自身を除く): 446695564

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 167, 196, 245, 334, 490, 668, 835, 980, 1169, 1670, 1871, 2338, 3340, 3742, 4676, 5845, 7484, 8183, 9355, 11690, 13097, 16366, 18710, 23380, 26194, 32732, 37420, 40915, 52388, 65485, 81830, 91679, 130970, 163660, 183358, 261940, 312457, 366716, 458395, 624914, 916790, 1249828, 1562285, 1833580, 2187199, 3124570, 4374398, 6249140, 8748796, 10935995, 15310393, 21871990, 30620786, 43743980, 61241572, 76551965, 153103930, 306207860]

約数ペア:

[(1, 306207860), (2, 153103930), (4, 76551965), (5, 61241572), (7, 43743980), (10, 30620786), (14, 21871990), (20, 15310393), (28, 10935995), (35, 8748796), (49, 6249140), (70, 4374398), (98, 3124570), (140, 2187199), (167, 1833580), (196, 1562285), (245, 1249828), (334, 916790), (490, 624914), (668, 458395), (835, 366716), (980, 312457), (1169, 261940), (1670, 183358), (1871, 163660), (2338, 130970), (3340, 91679), (3742, 81830), (4676, 65485), (5845, 52388), (7484, 40915), (8183, 37420), (9355, 32732), (11690, 26194), (13097, 23380), (16366, 18710)]