457623920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{440023}}^1$

素因数の和:440049

約数の個数: 40

約数和(自身を含む): 1145822496

約数和(自身を除く): 688198576

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 440023, 880046, 1760092, 2200115, 3520184, 4400230, 5720299, 7040368, 8800460, 11440598, 17600920, 22881196, 28601495, 35201840, 45762392, 57202990, 91524784, 114405980, 228811960, 457623920]

約数ペア:

[(1, 457623920), (2, 228811960), (4, 114405980), (5, 91524784), (8, 57202990), (10, 45762392), (13, 35201840), (16, 28601495), (20, 22881196), (26, 17600920), (40, 11440598), (52, 8800460), (65, 7040368), (80, 5720299), (104, 4400230), (130, 3520184), (208, 2200115), (260, 1760092), (520, 880046), (1040, 440023)]