27990500

素因数分解:

$2^2\times 5^3\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:162

約数の個数: 96

約数和(自身を含む): 67223520

約数和(自身を除く): 39233020

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 37, 50, 68, 74, 85, 89, 100, 125, 148, 170, 178, 185, 250, 340, 356, 370, 425, 445, 500, 629, 740, 850, 890, 925, 1258, 1513, 1700, 1780, 1850, 2125, 2225, 2516, 3026, 3145, 3293, 3700, 4250, 4450, 4625, 6052, 6290, 6586, 7565, 8500, 8900, 9250, 11125, 12580, 13172, 15130, 15725, 16465, 18500, 22250, 30260, 31450, 32930, 37825, 44500, 55981, 62900, 65860, 75650, 78625, 82325, 111962, 151300, 157250, 164650, 189125, 223924, 279905, 314500, 329300, 378250, 411625, 559810, 756500, 823250, 1119620, 1399525, 1646500, 2799050, 5598100, 6997625, 13995250, 27990500]

約数ペア:

[(1, 27990500), (2, 13995250), (4, 6997625), (5, 5598100), (10, 2799050), (17, 1646500), (20, 1399525), (25, 1119620), (34, 823250), (37, 756500), (50, 559810), (68, 411625), (74, 378250), (85, 329300), (89, 314500), (100, 279905), (125, 223924), (148, 189125), (170, 164650), (178, 157250), (185, 151300), (250, 111962), (340, 82325), (356, 78625), (370, 75650), (425, 65860), (445, 62900), (500, 55981), (629, 44500), (740, 37825), (850, 32930), (890, 31450), (925, 30260), (1258, 22250), (1513, 18500), (1700, 16465), (1780, 15725), (1850, 15130), (2125, 13172), (2225, 12580), (2516, 11125), (3026, 9250), (3145, 8900), (3293, 8500), (3700, 7565), (4250, 6586), (4450, 6290), (4625, 6052)]