388981872

素因数分解:

$2^4\times 3^3\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{509}}^1$

素因数の和:616

約数の個数: 160

約数和(自身を含む): 1176264000

約数和(自身を除く): 787282128

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 29, 36, 48, 54, 58, 61, 72, 87, 108, 116, 122, 144, 174, 183, 216, 232, 244, 261, 348, 366, 432, 464, 488, 509, 522, 549, 696, 732, 783, 976, 1018, 1044, 1098, 1392, 1464, 1527, 1566, 1647, 1769, 2036, 2088, 2196, 2928, 3054, 3132, 3294, 3538, 4072, 4176, 4392, 4581, 5307, 6108, 6264, 6588, 7076, 8144, 8784, 9162, 10614, 12216, 12528, 13176, 13743, 14152, 14761, 15921, 18324, 21228, 24432, 26352, 27486, 28304, 29522, 31049, 31842, 36648, 42456, 44283, 47763, 54972, 59044, 62098, 63684, 73296, 84912, 88566, 93147, 95526, 109944, 118088, 124196, 127368, 132849, 177132, 186294, 191052, 219888, 236176, 248392, 254736, 265698, 279441, 354264, 372588, 382104, 398547, 496784, 531396, 558882, 708528, 745176, 764208, 797094, 838323, 900421, 1062792, 1117764, 1490352, 1594188, 1676646, 1800842, 2125584, 2235528, 2701263, 3188376, 3353292, 3601684, 4471056, 5402526, 6376752, 6706584, 7203368, 8103789, 10805052, 13413168, 14406736, 16207578, 21610104, 24311367, 32415156, 43220208, 48622734, 64830312, 97245468, 129660624, 194490936, 388981872]

約数ペア:

[(1, 388981872), (2, 194490936), (3, 129660624), (4, 97245468), (6, 64830312), (8, 48622734), (9, 43220208), (12, 32415156), (16, 24311367), (18, 21610104), (24, 16207578), (27, 14406736), (29, 13413168), (36, 10805052), (48, 8103789), (54, 7203368), (58, 6706584), (61, 6376752), (72, 5402526), (87, 4471056), (108, 3601684), (116, 3353292), (122, 3188376), (144, 2701263), (174, 2235528), (183, 2125584), (216, 1800842), (232, 1676646), (244, 1594188), (261, 1490352), (348, 1117764), (366, 1062792), (432, 900421), (464, 838323), (488, 797094), (509, 764208), (522, 745176), (549, 708528), (696, 558882), (732, 531396), (783, 496784), (976, 398547), (1018, 382104), (1044, 372588), (1098, 354264), (1392, 279441), (1464, 265698), (1527, 254736), (1566, 248392), (1647, 236176), (1769, 219888), (2036, 191052), (2088, 186294), (2196, 177132), (2928, 132849), (3054, 127368), (3132, 124196), (3294, 118088), (3538, 109944), (4072, 95526), (4176, 93147), (4392, 88566), (4581, 84912), (5307, 73296), (6108, 63684), (6264, 62098), (6588, 59044), (7076, 54972), (8144, 47763), (8784, 44283), (9162, 42456), (10614, 36648), (12216, 31842), (12528, 31049), (13176, 29522), (13743, 28304), (14152, 27486), (14761, 26352), (15921, 24432), (18324, 21228)]