57309980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31489}}^1$

素因数の和:31518

約数の個数: 48

約数和(自身を含む): 148128960

約数和(自身を除く): 90818980

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, 31489, 62978, 125956, 157445, 220423, 314890, 409357, 440846, 629780, 818714, 881692, 1102115, 1637428, 2046785, 2204230, 2865499, 4093570, 4408460, 5730998, 8187140, 11461996, 14327495, 28654990, 57309980]

約数ペア:

[(1, 57309980), (2, 28654990), (4, 14327495), (5, 11461996), (7, 8187140), (10, 5730998), (13, 4408460), (14, 4093570), (20, 2865499), (26, 2204230), (28, 2046785), (35, 1637428), (52, 1102115), (65, 881692), (70, 818714), (91, 629780), (130, 440846), (140, 409357), (182, 314890), (260, 220423), (364, 157445), (455, 125956), (910, 62978), (1820, 31489)]