4980279425

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^2\times {\mathrm{157}}^1$

素因数の和:331

約数の個数: 72

約数和(自身を含む): 7115187456

約数和(自身を除く): 2134908031

約数列:

[1, 5, 11, 25, 31, 55, 61, 155, 157, 275, 305, 341, 671, 775, 785, 1525, 1705, 1727, 1891, 3355, 3721, 3925, 4867, 8525, 8635, 9455, 9577, 16775, 18605, 20801, 24335, 40931, 43175, 47275, 47885, 53537, 93025, 104005, 105347, 115351, 121675, 204655, 239425, 267685, 296887, 520025, 526735, 576755, 584197, 1023275, 1268861, 1338425, 1484435, 2633675, 2883775, 2920985, 3265757, 6344305, 6426167, 7422175, 14604925, 16328785, 18110107, 31721525, 32130835, 81643925, 90550535, 160654175, 199211177, 452752675, 996055885, 4980279425]

約数ペア:

[(1, 4980279425), (5, 996055885), (11, 452752675), (25, 199211177), (31, 160654175), (55, 90550535), (61, 81643925), (155, 32130835), (157, 31721525), (275, 18110107), (305, 16328785), (341, 14604925), (671, 7422175), (775, 6426167), (785, 6344305), (1525, 3265757), (1705, 2920985), (1727, 2883775), (1891, 2633675), (3355, 1484435), (3721, 1338425), (3925, 1268861), (4867, 1023275), (8525, 584197), (8635, 576755), (9455, 526735), (9577, 520025), (16775, 296887), (18605, 267685), (20801, 239425), (24335, 204655), (40931, 121675), (43175, 115351), (47275, 105347), (47885, 104005), (53537, 93025)]