154353940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{4271}}^1$

素因数の和:4432

約数の個数: 48

約数和(自身を含む): 351671040

約数和(自身を除く): 197317100

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 139, 260, 278, 556, 695, 1390, 1807, 2780, 3614, 4271, 7228, 8542, 9035, 17084, 18070, 21355, 36140, 42710, 55523, 85420, 111046, 222092, 277615, 555230, 593669, 1110460, 1187338, 2374676, 2968345, 5936690, 7717697, 11873380, 15435394, 30870788, 38588485, 77176970, 154353940]

約数ペア:

[(1, 154353940), (2, 77176970), (4, 38588485), (5, 30870788), (10, 15435394), (13, 11873380), (20, 7717697), (26, 5936690), (52, 2968345), (65, 2374676), (130, 1187338), (139, 1110460), (260, 593669), (278, 555230), (556, 277615), (695, 222092), (1390, 111046), (1807, 85420), (2780, 55523), (3614, 42710), (4271, 36140), (7228, 21355), (8542, 18070), (9035, 17084)]