28336980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:158

約数の個数: 192

約数和(自身を含む): 98703360

約数和(自身を除く): 70366380

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 53, 57, 60, 67, 70, 76, 84, 95, 105, 106, 114, 133, 134, 140, 159, 190, 201, 210, 212, 228, 265, 266, 268, 285, 318, 335, 371, 380, 399, 402, 420, 469, 530, 532, 570, 636, 665, 670, 742, 795, 798, 804, 938, 1005, 1007, 1060, 1113, 1140, 1273, 1330, 1340, 1407, 1484, 1590, 1596, 1855, 1876, 1995, 2010, 2014, 2226, 2345, 2546, 2660, 2814, 3021, 3180, 3551, 3710, 3819, 3990, 4020, 4028, 4452, 4690, 5035, 5092, 5565, 5628, 6042, 6365, 7035, 7049, 7102, 7420, 7638, 7980, 8911, 9380, 10070, 10653, 11130, 12084, 12730, 14070, 14098, 14204, 15105, 15276, 17755, 17822, 19095, 20140, 21147, 21306, 22260, 24857, 25460, 26733, 28140, 28196, 30210, 35245, 35510, 35644, 38190, 42294, 42612, 44555, 49714, 53265, 53466, 60420, 67469, 70490, 71020, 74571, 76380, 84588, 89110, 99428, 105735, 106530, 106932, 124285, 133665, 134938, 140980, 149142, 178220, 202407, 211470, 213060, 248570, 267330, 269876, 298284, 337345, 372855, 404814, 422940, 472283, 497140, 534660, 674690, 745710, 809628, 944566, 1012035, 1349380, 1416849, 1491420, 1889132, 2024070, 2361415, 2833698, 4048140, 4722830, 5667396, 7084245, 9445660, 14168490, 28336980]

約数ペア:

[(1, 28336980), (2, 14168490), (3, 9445660), (4, 7084245), (5, 5667396), (6, 4722830), (7, 4048140), (10, 2833698), (12, 2361415), (14, 2024070), (15, 1889132), (19, 1491420), (20, 1416849), (21, 1349380), (28, 1012035), (30, 944566), (35, 809628), (38, 745710), (42, 674690), (53, 534660), (57, 497140), (60, 472283), (67, 422940), (70, 404814), (76, 372855), (84, 337345), (95, 298284), (105, 269876), (106, 267330), (114, 248570), (133, 213060), (134, 211470), (140, 202407), (159, 178220), (190, 149142), (201, 140980), (210, 134938), (212, 133665), (228, 124285), (265, 106932), (266, 106530), (268, 105735), (285, 99428), (318, 89110), (335, 84588), (371, 76380), (380, 74571), (399, 71020), (402, 70490), (420, 67469), (469, 60420), (530, 53466), (532, 53265), (570, 49714), (636, 44555), (665, 42612), (670, 42294), (742, 38190), (795, 35644), (798, 35510), (804, 35245), (938, 30210), (1005, 28196), (1007, 28140), (1060, 26733), (1113, 25460), (1140, 24857), (1273, 22260), (1330, 21306), (1340, 21147), (1407, 20140), (1484, 19095), (1590, 17822), (1596, 17755), (1855, 15276), (1876, 15105), (1995, 14204), (2010, 14098), (2014, 14070), (2226, 12730), (2345, 12084), (2546, 11130), (2660, 10653), (2814, 10070), (3021, 9380), (3180, 8911), (3551, 7980), (3710, 7638), (3819, 7420), (3990, 7102), (4020, 7049), (4028, 7035), (4452, 6365), (4690, 6042), (5035, 5628), (5092, 5565)]