1898045128

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{449}}^1$

素因数の和:647

約数の個数: 128

約数和(自身を含む): 4471200000

約数和(自身を除く): 2573154872

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 29, 38, 56, 58, 76, 116, 133, 137, 152, 203, 232, 266, 274, 406, 449, 532, 548, 551, 812, 898, 959, 1064, 1096, 1102, 1624, 1796, 1918, 2204, 2603, 3143, 3592, 3836, 3857, 3973, 4408, 5206, 6286, 7672, 7714, 7946, 8531, 10412, 12572, 13021, 15428, 15892, 17062, 18221, 20824, 25144, 26042, 27811, 30856, 31784, 34124, 36442, 52084, 55622, 59717, 61513, 68248, 72884, 75487, 91147, 104168, 111244, 119434, 123026, 145768, 150974, 182294, 222488, 238868, 246052, 247399, 301948, 364588, 430591, 477736, 492104, 494798, 528409, 603896, 729176, 861182, 989596, 1056818, 1168747, 1722364, 1731793, 1783877, 1979192, 2113636, 2337494, 3444728, 3463586, 3567754, 4227272, 4674988, 6927172, 7135508, 8181229, 9349976, 12487139, 13854344, 14271016, 16362458, 24974278, 32724916, 33893663, 49948556, 65449832, 67787326, 99897112, 135574652, 237255641, 271149304, 474511282, 949022564, 1898045128]

約数ペア:

[(1, 1898045128), (2, 949022564), (4, 474511282), (7, 271149304), (8, 237255641), (14, 135574652), (19, 99897112), (28, 67787326), (29, 65449832), (38, 49948556), (56, 33893663), (58, 32724916), (76, 24974278), (116, 16362458), (133, 14271016), (137, 13854344), (152, 12487139), (203, 9349976), (232, 8181229), (266, 7135508), (274, 6927172), (406, 4674988), (449, 4227272), (532, 3567754), (548, 3463586), (551, 3444728), (812, 2337494), (898, 2113636), (959, 1979192), (1064, 1783877), (1096, 1731793), (1102, 1722364), (1624, 1168747), (1796, 1056818), (1918, 989596), (2204, 861182), (2603, 729176), (3143, 603896), (3592, 528409), (3836, 494798), (3857, 492104), (3973, 477736), (4408, 430591), (5206, 364588), (6286, 301948), (7672, 247399), (7714, 246052), (7946, 238868), (8531, 222488), (10412, 182294), (12572, 150974), (13021, 145768), (15428, 123026), (15892, 119434), (17062, 111244), (18221, 104168), (20824, 91147), (25144, 75487), (26042, 72884), (27811, 68248), (30856, 61513), (31784, 59717), (34124, 55622), (36442, 52084)]