209009580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{267961}}^1$

素因数の和:267986

約数の個数: 48

約数和(自身を含む): 630246624

約数和(自身を除く): 421237044

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 267961, 535922, 803883, 1071844, 1339805, 1607766, 2679610, 3215532, 3483493, 4019415, 5359220, 6966986, 8038830, 10450479, 13933972, 16077660, 17417465, 20900958, 34834930, 41801916, 52252395, 69669860, 104504790, 209009580]

約数ペア:

[(1, 209009580), (2, 104504790), (3, 69669860), (4, 52252395), (5, 41801916), (6, 34834930), (10, 20900958), (12, 17417465), (13, 16077660), (15, 13933972), (20, 10450479), (26, 8038830), (30, 6966986), (39, 5359220), (52, 4019415), (60, 3483493), (65, 3215532), (78, 2679610), (130, 1607766), (156, 1339805), (195, 1071844), (260, 803883), (390, 535922), (780, 267961)]