508820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1$

素因数の和:144

約数の個数: 48

約数和(自身を含む): 1223040

約数和(自身を除く): 714220

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 103, 130, 190, 206, 247, 260, 380, 412, 494, 515, 988, 1030, 1235, 1339, 1957, 2060, 2470, 2678, 3914, 4940, 5356, 6695, 7828, 9785, 13390, 19570, 25441, 26780, 39140, 50882, 101764, 127205, 254410, 508820]

約数ペア:

[(1, 508820), (2, 254410), (4, 127205), (5, 101764), (10, 50882), (13, 39140), (19, 26780), (20, 25441), (26, 19570), (38, 13390), (52, 9785), (65, 7828), (76, 6695), (95, 5356), (103, 4940), (130, 3914), (190, 2678), (206, 2470), (247, 2060), (260, 1957), (380, 1339), (412, 1235), (494, 1030), (515, 988)]