290808440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{43019}}^1$

素因数の和:43056

約数の個数: 48

約数和(自身を含む): 708539400

約数和(自身を除く): 417730960

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 3380, 6760, 43019, 86038, 172076, 215095, 344152, 430190, 559247, 860380, 1118494, 1720760, 2236988, 2796235, 4473976, 5592470, 7270211, 11184940, 14540422, 22369880, 29080844, 36351055, 58161688, 72702110, 145404220, 290808440]

約数ペア:

[(1, 290808440), (2, 145404220), (4, 72702110), (5, 58161688), (8, 36351055), (10, 29080844), (13, 22369880), (20, 14540422), (26, 11184940), (40, 7270211), (52, 5592470), (65, 4473976), (104, 2796235), (130, 2236988), (169, 1720760), (260, 1118494), (338, 860380), (520, 559247), (676, 430190), (845, 344152), (1352, 215095), (1690, 172076), (3380, 86038), (6760, 43019)]