398516720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1021}}^1$

素因数の和:1099

約数の個数: 160

約数和(自身を含む): 1149676416

約数和(自身を除く): 751159696

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 41, 56, 68, 70, 80, 82, 85, 112, 119, 136, 140, 164, 170, 205, 238, 272, 280, 287, 328, 340, 410, 476, 560, 574, 595, 656, 680, 697, 820, 952, 1021, 1148, 1190, 1360, 1394, 1435, 1640, 1904, 2042, 2296, 2380, 2788, 2870, 3280, 3485, 4084, 4592, 4760, 4879, 5105, 5576, 5740, 6970, 7147, 8168, 9520, 9758, 10210, 11152, 11480, 13940, 14294, 16336, 17357, 19516, 20420, 22960, 24395, 27880, 28588, 34714, 35735, 39032, 40840, 41861, 48790, 55760, 57176, 69428, 71470, 78064, 81680, 83722, 86785, 97580, 114352, 121499, 138856, 142940, 167444, 173570, 195160, 209305, 242998, 277712, 285880, 293027, 334888, 347140, 390320, 418610, 485996, 571760, 586054, 607495, 669776, 694280, 711637, 837220, 971992, 1172108, 1214990, 1388560, 1423274, 1465135, 1674440, 1943984, 2344216, 2429980, 2846548, 2930270, 3348880, 3558185, 4688432, 4859960, 4981459, 5693096, 5860540, 7116370, 9719920, 9962918, 11386192, 11721080, 14232740, 19925836, 23442160, 24907295, 28465480, 39851672, 49814590, 56930960, 79703344, 99629180, 199258360, 398516720]

約数ペア:

[(1, 398516720), (2, 199258360), (4, 99629180), (5, 79703344), (7, 56930960), (8, 49814590), (10, 39851672), (14, 28465480), (16, 24907295), (17, 23442160), (20, 19925836), (28, 14232740), (34, 11721080), (35, 11386192), (40, 9962918), (41, 9719920), (56, 7116370), (68, 5860540), (70, 5693096), (80, 4981459), (82, 4859960), (85, 4688432), (112, 3558185), (119, 3348880), (136, 2930270), (140, 2846548), (164, 2429980), (170, 2344216), (205, 1943984), (238, 1674440), (272, 1465135), (280, 1423274), (287, 1388560), (328, 1214990), (340, 1172108), (410, 971992), (476, 837220), (560, 711637), (574, 694280), (595, 669776), (656, 607495), (680, 586054), (697, 571760), (820, 485996), (952, 418610), (1021, 390320), (1148, 347140), (1190, 334888), (1360, 293027), (1394, 285880), (1435, 277712), (1640, 242998), (1904, 209305), (2042, 195160), (2296, 173570), (2380, 167444), (2788, 142940), (2870, 138856), (3280, 121499), (3485, 114352), (4084, 97580), (4592, 86785), (4760, 83722), (4879, 81680), (5105, 78064), (5576, 71470), (5740, 69428), (6970, 57176), (7147, 55760), (8168, 48790), (9520, 41861), (9758, 40840), (10210, 39032), (11152, 35735), (11480, 34714), (13940, 28588), (14294, 27880), (16336, 24395), (17357, 22960), (19516, 20420)]