275300620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:252

約数の個数: 144

約数和(自身を含む): 707857920

約数和(自身を除く): 432557300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 47, 49, 70, 86, 94, 98, 139, 140, 172, 188, 196, 215, 235, 245, 278, 301, 329, 430, 470, 490, 556, 602, 658, 695, 860, 940, 973, 980, 1204, 1316, 1390, 1505, 1645, 1946, 2021, 2107, 2303, 2780, 3010, 3290, 3892, 4042, 4214, 4606, 4865, 5977, 6020, 6533, 6580, 6811, 8084, 8428, 9212, 9730, 10105, 10535, 11515, 11954, 13066, 13622, 14147, 19460, 20210, 21070, 23030, 23908, 26132, 27244, 28294, 29885, 32665, 34055, 40420, 41839, 42140, 45731, 46060, 56588, 59770, 65330, 68110, 70735, 83678, 91462, 99029, 119540, 130660, 136220, 141470, 167356, 182924, 198058, 209195, 228655, 280919, 282940, 292873, 320117, 396116, 418390, 457310, 495145, 561838, 585746, 640234, 836780, 914620, 990290, 1123676, 1171492, 1280468, 1404595, 1464365, 1600585, 1966433, 1980580, 2809190, 2928730, 3201170, 3932866, 5618380, 5857460, 6402340, 7865732, 9832165, 13765031, 19664330, 27530062, 39328660, 55060124, 68825155, 137650310, 275300620]

約数ペア:

[(1, 275300620), (2, 137650310), (4, 68825155), (5, 55060124), (7, 39328660), (10, 27530062), (14, 19664330), (20, 13765031), (28, 9832165), (35, 7865732), (43, 6402340), (47, 5857460), (49, 5618380), (70, 3932866), (86, 3201170), (94, 2928730), (98, 2809190), (139, 1980580), (140, 1966433), (172, 1600585), (188, 1464365), (196, 1404595), (215, 1280468), (235, 1171492), (245, 1123676), (278, 990290), (301, 914620), (329, 836780), (430, 640234), (470, 585746), (490, 561838), (556, 495145), (602, 457310), (658, 418390), (695, 396116), (860, 320117), (940, 292873), (973, 282940), (980, 280919), (1204, 228655), (1316, 209195), (1390, 198058), (1505, 182924), (1645, 167356), (1946, 141470), (2021, 136220), (2107, 130660), (2303, 119540), (2780, 99029), (3010, 91462), (3290, 83678), (3892, 70735), (4042, 68110), (4214, 65330), (4606, 59770), (4865, 56588), (5977, 46060), (6020, 45731), (6533, 42140), (6580, 41839), (6811, 40420), (8084, 34055), (8428, 32665), (9212, 29885), (9730, 28294), (10105, 27244), (10535, 26132), (11515, 23908), (11954, 23030), (13066, 21070), (13622, 20210), (14147, 19460)]