1285335220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{214939}}^1$

素因数の和:214984

約数の個数: 48

約数和(自身を含む): 3033233280

約数和(自身を除く): 1747898060

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 230, 260, 299, 460, 598, 1196, 1495, 2990, 5980, 214939, 429878, 859756, 1074695, 2149390, 2794207, 4298780, 4943597, 5588414, 9887194, 11176828, 13971035, 19774388, 24717985, 27942070, 49435970, 55884140, 64266761, 98871940, 128533522, 257067044, 321333805, 642667610, 1285335220]

約数ペア:

[(1, 1285335220), (2, 642667610), (4, 321333805), (5, 257067044), (10, 128533522), (13, 98871940), (20, 64266761), (23, 55884140), (26, 49435970), (46, 27942070), (52, 24717985), (65, 19774388), (92, 13971035), (115, 11176828), (130, 9887194), (230, 5588414), (260, 4943597), (299, 4298780), (460, 2794207), (598, 2149390), (1196, 1074695), (1495, 859756), (2990, 429878), (5980, 214939)]