172912100

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{2749}}^1$

素因数の和:2817

約数の個数: 72

約数和(自身を含む): 408177000

約数和(自身を除く): 235264900

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 37, 50, 68, 74, 85, 100, 148, 170, 185, 340, 370, 425, 629, 740, 850, 925, 1258, 1700, 1850, 2516, 2749, 3145, 3700, 5498, 6290, 10996, 12580, 13745, 15725, 27490, 31450, 46733, 54980, 62900, 68725, 93466, 101713, 137450, 186932, 203426, 233665, 274900, 406852, 467330, 508565, 934660, 1017130, 1168325, 1729121, 2034260, 2336650, 2542825, 3458242, 4673300, 5085650, 6916484, 8645605, 10171300, 17291210, 34582420, 43228025, 86456050, 172912100]

約数ペア:

[(1, 172912100), (2, 86456050), (4, 43228025), (5, 34582420), (10, 17291210), (17, 10171300), (20, 8645605), (25, 6916484), (34, 5085650), (37, 4673300), (50, 3458242), (68, 2542825), (74, 2336650), (85, 2034260), (100, 1729121), (148, 1168325), (170, 1017130), (185, 934660), (340, 508565), (370, 467330), (425, 406852), (629, 274900), (740, 233665), (850, 203426), (925, 186932), (1258, 137450), (1700, 101713), (1850, 93466), (2516, 68725), (2749, 62900), (3145, 54980), (3700, 46733), (5498, 31450), (6290, 27490), (10996, 15725), (12580, 13745)]