438720906

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1$

素因数の和:332

約数の個数: 128

約数和(自身を含む): 1059932160

約数和(自身を除く): 621211254

約数列:

[1, 2, 3, 6, 13, 19, 23, 26, 38, 39, 46, 57, 61, 69, 78, 114, 122, 138, 183, 211, 247, 299, 366, 422, 437, 494, 598, 633, 741, 793, 874, 897, 1159, 1266, 1311, 1403, 1482, 1586, 1794, 2318, 2379, 2622, 2743, 2806, 3477, 4009, 4209, 4758, 4853, 5486, 5681, 6954, 8018, 8229, 8418, 9706, 11362, 12027, 12871, 14559, 15067, 16458, 17043, 18239, 24054, 25742, 26657, 29118, 30134, 34086, 36478, 38613, 45201, 52117, 53314, 54717, 63089, 77226, 79971, 90402, 92207, 104234, 109434, 126178, 156351, 159942, 167323, 184414, 189267, 244549, 276621, 296033, 312702, 334646, 346541, 378534, 489098, 501969, 553242, 592066, 693082, 733647, 888099, 1003938, 1039623, 1198691, 1467294, 1776198, 2079246, 2397382, 3179137, 3596073, 3848429, 5624627, 6358274, 7192146, 7696858, 9537411, 11249254, 11545287, 16873881, 19074822, 23090574, 33747762, 73120151, 146240302, 219360453, 438720906]

約数ペア:

[(1, 438720906), (2, 219360453), (3, 146240302), (6, 73120151), (13, 33747762), (19, 23090574), (23, 19074822), (26, 16873881), (38, 11545287), (39, 11249254), (46, 9537411), (57, 7696858), (61, 7192146), (69, 6358274), (78, 5624627), (114, 3848429), (122, 3596073), (138, 3179137), (183, 2397382), (211, 2079246), (247, 1776198), (299, 1467294), (366, 1198691), (422, 1039623), (437, 1003938), (494, 888099), (598, 733647), (633, 693082), (741, 592066), (793, 553242), (874, 501969), (897, 489098), (1159, 378534), (1266, 346541), (1311, 334646), (1403, 312702), (1482, 296033), (1586, 276621), (1794, 244549), (2318, 189267), (2379, 184414), (2622, 167323), (2743, 159942), (2806, 156351), (3477, 126178), (4009, 109434), (4209, 104234), (4758, 92207), (4853, 90402), (5486, 79971), (5681, 77226), (6954, 63089), (8018, 54717), (8229, 53314), (8418, 52117), (9706, 45201), (11362, 38613), (12027, 36478), (12871, 34086), (14559, 30134), (15067, 29118), (16458, 26657), (17043, 25742), (18239, 24054)]