1119620

素因数分解:

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

素因数の和:152

約数の個数: 48

約数和(自身を含む): 2585520

約数和(自身を除く): 1465900

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 37, 68, 74, 85, 89, 148, 170, 178, 185, 340, 356, 370, 445, 629, 740, 890, 1258, 1513, 1780, 2516, 3026, 3145, 3293, 6052, 6290, 6586, 7565, 12580, 13172, 15130, 16465, 30260, 32930, 55981, 65860, 111962, 223924, 279905, 559810, 1119620]

約数ペア:

[(1, 1119620), (2, 559810), (4, 279905), (5, 223924), (10, 111962), (17, 65860), (20, 55981), (34, 32930), (37, 30260), (68, 16465), (74, 15130), (85, 13172), (89, 12580), (148, 7565), (170, 6586), (178, 6290), (185, 6052), (340, 3293), (356, 3145), (370, 3026), (445, 2516), (629, 1780), (740, 1513), (890, 1258)]