163921940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{90067}}^1$

素因数の和:90096

約数の個数: 48

約数和(自身を含む): 423679872

約数和(自身を除く): 259757932

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 90067, 180134, 360268, 450335, 630469, 900670, 1170871, 1260938, 1801340, 2341742, 2521876, 3152345, 4683484, 5854355, 6304690, 8196097, 11708710, 12609380, 16392194, 23417420, 32784388, 40980485, 81960970, 163921940]

約数ペア:

[(1, 163921940), (2, 81960970), (4, 40980485), (5, 32784388), (7, 23417420), (10, 16392194), (13, 12609380), (14, 11708710), (20, 8196097), (26, 6304690), (28, 5854355), (35, 4683484), (52, 3152345), (65, 2521876), (70, 2341742), (91, 1801340), (130, 1260938), (140, 1170871), (182, 900670), (260, 630469), (364, 450335), (455, 360268), (910, 180134), (1820, 90067)]