272455900

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{491}}^1$

素因数の和:715

約数の個数: 72

約数和(自身を含む): 614960640

約数和(自身を除く): 342504740

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 179, 310, 358, 491, 620, 716, 775, 895, 982, 1550, 1790, 1964, 2455, 3100, 3580, 4475, 4910, 5549, 8950, 9820, 11098, 12275, 15221, 17900, 22196, 24550, 27745, 30442, 49100, 55490, 60884, 76105, 87889, 110980, 138725, 152210, 175778, 277450, 304420, 351556, 380525, 439445, 554900, 761050, 878890, 1522100, 1757780, 2197225, 2724559, 4394450, 5449118, 8788900, 10898236, 13622795, 27245590, 54491180, 68113975, 136227950, 272455900]

約数ペア:

[(1, 272455900), (2, 136227950), (4, 68113975), (5, 54491180), (10, 27245590), (20, 13622795), (25, 10898236), (31, 8788900), (50, 5449118), (62, 4394450), (100, 2724559), (124, 2197225), (155, 1757780), (179, 1522100), (310, 878890), (358, 761050), (491, 554900), (620, 439445), (716, 380525), (775, 351556), (895, 304420), (982, 277450), (1550, 175778), (1790, 152210), (1964, 138725), (2455, 110980), (3100, 87889), (3580, 76105), (4475, 60884), (4910, 55490), (5549, 49100), (8950, 30442), (9820, 27745), (11098, 24550), (12275, 22196), (15221, 17900)]