392215460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{215503}}^1$

素因数の和:215532

約数の個数: 48

約数和(自身を含む): 1013730816

約数和(自身を除く): 621515356

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, 215503, 431006, 862012, 1077515, 1508521, 2155030, 2801539, 3017042, 4310060, 5603078, 6034084, 7542605, 11206156, 14007695, 15085210, 19610773, 28015390, 30170420, 39221546, 56030780, 78443092, 98053865, 196107730, 392215460]

約数ペア:

[(1, 392215460), (2, 196107730), (4, 98053865), (5, 78443092), (7, 56030780), (10, 39221546), (13, 30170420), (14, 28015390), (20, 19610773), (26, 15085210), (28, 14007695), (35, 11206156), (52, 7542605), (65, 6034084), (70, 5603078), (91, 4310060), (130, 3017042), (140, 2801539), (182, 2155030), (260, 1508521), (364, 1077515), (455, 862012), (910, 431006), (1820, 215503)]