209974284

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{353}}^1$

素因数の和:448

約数の個数: 144

約数和(自身を含む): 606138624

約数和(自身を除く): 396164340

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 39, 41, 52, 62, 78, 82, 93, 117, 123, 124, 156, 164, 186, 234, 246, 279, 353, 369, 372, 403, 468, 492, 533, 558, 706, 738, 806, 1059, 1066, 1116, 1209, 1271, 1412, 1476, 1599, 1612, 2118, 2132, 2418, 2542, 3177, 3198, 3627, 3813, 4236, 4589, 4797, 4836, 5084, 6354, 6396, 7254, 7626, 9178, 9594, 10943, 11439, 12708, 13767, 14473, 14508, 15252, 16523, 18356, 19188, 21886, 22878, 27534, 28946, 32829, 33046, 41301, 43419, 43772, 45756, 49569, 55068, 57892, 65658, 66092, 82602, 86838, 98487, 99138, 130257, 131316, 142259, 148707, 165204, 173676, 188149, 196974, 198276, 260514, 284518, 297414, 376298, 393948, 426777, 448663, 521028, 564447, 569036, 594828, 752596, 853554, 897326, 1128894, 1280331, 1345989, 1693341, 1707108, 1794652, 2257788, 2560662, 2691978, 3386682, 4037967, 5121324, 5383956, 5832619, 6773364, 8075934, 11665238, 16151868, 17497857, 23330476, 34995714, 52493571, 69991428, 104987142, 209974284]

約数ペア:

[(1, 209974284), (2, 104987142), (3, 69991428), (4, 52493571), (6, 34995714), (9, 23330476), (12, 17497857), (13, 16151868), (18, 11665238), (26, 8075934), (31, 6773364), (36, 5832619), (39, 5383956), (41, 5121324), (52, 4037967), (62, 3386682), (78, 2691978), (82, 2560662), (93, 2257788), (117, 1794652), (123, 1707108), (124, 1693341), (156, 1345989), (164, 1280331), (186, 1128894), (234, 897326), (246, 853554), (279, 752596), (353, 594828), (369, 569036), (372, 564447), (403, 521028), (468, 448663), (492, 426777), (533, 393948), (558, 376298), (706, 297414), (738, 284518), (806, 260514), (1059, 198276), (1066, 196974), (1116, 188149), (1209, 173676), (1271, 165204), (1412, 148707), (1476, 142259), (1599, 131316), (1612, 130257), (2118, 99138), (2132, 98487), (2418, 86838), (2542, 82602), (3177, 66092), (3198, 65658), (3627, 57892), (3813, 55068), (4236, 49569), (4589, 45756), (4797, 43772), (4836, 43419), (5084, 41301), (6354, 33046), (6396, 32829), (7254, 28946), (7626, 27534), (9178, 22878), (9594, 21886), (10943, 19188), (11439, 18356), (12708, 16523), (13767, 15252), (14473, 14508)]