29945000

素因数分解:

$2^3\times 5^4\times {\mathrm{53}}^1\times {\mathrm{113}}^1$

素因数の和:192

約数の個数: 80

約数和(自身を含む): 72117540

約数和(自身を除く): 42172540

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 53, 100, 106, 113, 125, 200, 212, 226, 250, 265, 424, 452, 500, 530, 565, 625, 904, 1000, 1060, 1130, 1250, 1325, 2120, 2260, 2500, 2650, 2825, 4520, 5000, 5300, 5650, 5989, 6625, 10600, 11300, 11978, 13250, 14125, 22600, 23956, 26500, 28250, 29945, 33125, 47912, 53000, 56500, 59890, 66250, 70625, 113000, 119780, 132500, 141250, 149725, 239560, 265000, 282500, 299450, 565000, 598900, 748625, 1197800, 1497250, 2994500, 3743125, 5989000, 7486250, 14972500, 29945000]

約数ペア:

[(1, 29945000), (2, 14972500), (4, 7486250), (5, 5989000), (8, 3743125), (10, 2994500), (20, 1497250), (25, 1197800), (40, 748625), (50, 598900), (53, 565000), (100, 299450), (106, 282500), (113, 265000), (125, 239560), (200, 149725), (212, 141250), (226, 132500), (250, 119780), (265, 113000), (424, 70625), (452, 66250), (500, 59890), (530, 56500), (565, 53000), (625, 47912), (904, 33125), (1000, 29945), (1060, 28250), (1130, 26500), (1250, 23956), (1325, 22600), (2120, 14125), (2260, 13250), (2500, 11978), (2650, 11300), (2825, 10600), (4520, 6625), (5000, 5989), (5300, 5650)]